Merge pull request #7 from baez90/migrate-to-fiber

Rework goveal based on httprouter and gomarkdown
2022-03-15 17:39:37 +01:00 · 2022-03-15 17:39:37 +01:00 · ded1c0f5ec
commit ded1c0f5ec
parent e4cc33f098 1582460b28
58 changed files with 1978 additions and 1289 deletions
--- a/.gitattributes
+++ b/.gitattributes
@ -0,0 +1 @@
+*.jpg filter=lfs diff=lfs merge=lfs -text
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@ -1,6 +1,13 @@
 name: Go

-on: [ push, pull_request ]
+on:
+  push:
+    tags:
+      - v*
+    branches:
+      - master
+      - main
+  pull_request:

 jobs:

@ -16,7 +23,7 @@ jobs:
        id: go

      - name: Check out code into the Go module directory
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
        with:
          lfs: true
      
@ -24,7 +31,7 @@ jobs:
        uses: arduino/setup-task@v1
      
      - name: Build & test
-        run: task download-reveal test
+        run: task download-assets test
      
      - name: Run GoReleaser
        uses: goreleaser/goreleaser-action@v2
--- a/.github/workflows/golangci-lint.yml
+++ b/.github/workflows/golangci-lint.yml
@ -0,0 +1,46 @@
+name: golangci-lint
+on:
+  push:
+    tags:
+      - v*
+    branches:
+      - master
+      - main
+  pull_request:
+permissions:
+  contents: read
+  # Optional: allow read access to pull request. Use with `only-new-issues` option.
+  # pull-requests: read
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install Task
+        uses: arduino/setup-task@v1
+      - name: Download assets
+        run: task download-assets
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v2
+        with:
+          # Optional: version of golangci-lint to use in form of v1.2 or v1.2.3 or `latest` to use the latest version
+          version: latest
+
+          # Optional: working directory, useful for monorepos
+          # working-directory: somedir
+
+          # Optional: golangci-lint command line arguments.
+          # args: --issues-exit-code=0
+
+          # Optional: show only new issues if it's a pull request. The default value is `false`.
+          # only-new-issues: true
+
+          # Optional: if set to true then the action will use pre-installed Go.
+          # skip-go-installation: true
+
+          # Optional: if set to true then the action don't cache or restore ~/go/pkg.
+          # skip-pkg-cache: true
+
+          # Optional: if set to true then the action don't cache or restore ~/.cache/go-build.
+          # skip-build-cache: true
--- a/.gitignore
+++ b/.gitignore
@ -5,6 +5,8 @@
 *.so
 *.dylib

+emoji.json
+
 # Test binary, build with `go test -c`
 *.test

@ -22,6 +24,8 @@
 bin/

 assets/reveal/
+assets/mermaid/
+assets/twemoji/

 pkged.go

--- a/.golangci.yml
+++ b/.golangci.yml
@ -0,0 +1,121 @@
+linters-settings:
+  dupl:
+    threshold: 100
+  funlen:
+    lines: 100
+    statements: 50
+  gci:
+    local-prefixes: github.com/baez90/goveal
+  goconst:
+    min-len: 2
+    min-occurrences: 2
+  gocritic:
+    enabled-tags:
+      - diagnostic
+      - opinionated
+      - performance
+    disabled-checks:
+      - ifElseChain
+      - octalLiteral
+      - wrapperFunc
+    settings:
+      hugeParam:
+        sizeThreshold: 200
+  gocyclo:
+    min-complexity: 15
+  goimports:
+    local-prefixes: github.com/baez90/goveal
+  golint:
+    min-confidence: 0
+  gomnd:
+    settings:
+      mnd:
+        # don't include the "operation" and "assign"
+        checks:
+          - argument
+          - case
+          - condition
+          - return
+  govet:
+    check-shadowing: true
+  importas:
+    no-unaliased: true
+    alias: []
+  lll:
+    line-length: 140
+  maligned:
+    suggest-new: true
+  misspell:
+    locale: US
+  nolintlint:
+    allow-leading-space: true # don't require machine-readable nolint directives (i.e. with no leading space)
+    allow-unused: false # report any unused nolint directives
+    require-explanation: false # don't require an explanation for nolint directives
+    require-specific: false # don't require nolint directives to be specific about which linter is being skipped
+
+linters:
+  # please, do not use `enable-all`: it's deprecated and will be removed soon.
+  # inverted configuration with `enable-all` and `disable` is not scalable during updates of golangci-lint
+  disable-all: true
+  enable:
+    - deadcode
+    - dogsled
+    - dupl
+    - errcheck
+    - exhaustive
+    - exportloopref
+    - funlen
+    - gocognit
+    - goconst
+    - gocritic
+    - gocyclo
+    - godox
+    - gofumpt
+    - goimports
+    - gomnd
+    - gosec
+    - gosimple
+    - govet
+    - importas
+    - ineffassign
+    - lll
+    - misspell
+    - nakedret
+    - nestif
+    - noctx
+    - nolintlint
+    - paralleltest
+    - prealloc
+    - promlinter
+    - staticcheck
+    - structcheck
+    - stylecheck
+    - testpackage
+    - thelper
+    - typecheck
+    - unconvert
+    - unparam
+    - varcheck
+    - whitespace
+
+    #- unused
+
+issues:
+  # Excluding configuration per-path, per-linter, per-text and per-source
+  exclude-rules:
+    - path: _test\.go
+      linters:
+        - gomnd
+        - funlen
+
+run:
+  build-tags:
+    - sudo
+  skip-dirs:
+    - internal/mock
+  skip-files:
+    - ".*\\.pb\\.go$"
+    - ".*.mock.\\.go$"
+
+service:
+  golangci-lint-version: 1.43.x # use the fixed version to not introduce new linters unexpectedly
--- a/.goreleaser.yml
+++ b/.goreleaser.yml
@ -1,6 +1,6 @@
 project_name: goveal
 builds:
-  - main: ./cmd/goveal/main.go
+  - main: ./cmd/goveal/
    binary: goveal
    goos:
      - linux
@ -16,10 +16,23 @@ builds:
      - CGO_ENABLED=0
    ignore:
      - goos: darwin
-        goarch: 386
+        goarch: '386'
      - goos: linux
        goarch: arm
-        goarm: 7
+        goarm: '7'
+
+dockers:
+  - id: goveal
+    goos: linux
+    goarch: amd64
+    goarm: ''
+    ids:
+      - goveal
+    image_templates:
+      - ghcr.io/baez90/goveal:{{ .Tag }}
+      - ghcr.io/baez90/goveal:{{ .Major }}
+    dockerfile: ./build/docker/goveal.dockerfile
+
 archives:
  - replacements:
      darwin: Darwin
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@ -0,0 +1,18 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+repos:
+  - repo: https://github.com/tekwizely/pre-commit-golang
+    rev: v1.0.0-beta.5
+    hooks:
+      - id: go-mod-tidy-repo
+      - id: go-fumpt
+        args:
+          - -w
+      - id: go-imports
+        args:
+          - -local=github.com/baez90/goveal
+          - -w
+      - id: golangci-lint-repo-mod
+        args:
+          - --fast
+          - --fix
--- a/README.md
+++ b/README.md
@ -2,14 +2,24 @@

 [![Actions Status](https://github.com/baez90/goveal/workflows/Go/badge.svg)](https://github.com/baez90/goveal/actions)

-Goveal is very small and very simple tool that reads Markdown from a given file, renders it into a HTML template and
-serves it as local HTTP server. Right now Goveal uses Reveal.js 4.1.2 to create presentations and therefore also
-includes all features of Reveal.js 4.1.2.
+Goveal is very small and very simple tool that reads Markdown from a given file, renders it into an HTML template and serves it as local HTTP server.
+Right now Goveal uses Reveal.js 4.3.0 to create presentations and therefore also includes all features of Reveal.js.
+
+In contrary to Reveal.js `goveal` ships with its own Markdown parser and renderer which is why some features are working slightly different from Reveal.js.
+See [Markdown](#markdown) for further details.
+
+Besides all features from Reveal.js `goveal` comes with first class support for [mermaid-js](https://mermaid-js.github.io/).
+Just inline your diagrams as code and enjoy!
+An example can be found in the [examples](examples/slides.md).

 ## Install

 The easiest and fastest way to install Goveal is to use a pre-built binary from the [releases](https://github.com/baez90/goveal/releases/latest).

+There's also a pre-built container image available you can use if you don't want to download the binary.
+
+### Build from source
+
 If you have Go in the latest version installed you can also build your own version of Goveal:

 ```shell
@ -21,46 +31,94 @@ Requirements:
 - [task](https://taskfile.dev/)
 - _Optional:_ [goreleaser](https://goreleaser.com/) (for `task snapshot-release` to build all binaries)

-_Note: All script tasks in the [Taskfile.yml](Taskfile.yml) are meant to be executed with Linux/MacOS. Binaries for Windows are provided but not tested!_ 
+_Note: All script tasks in the [Taskfile.yml](Taskfile.yml) are meant to be executed with Linux/MacOS. Binaries for
+Windows are provided but not tested!_

 ## Usage

+### Local installation
+
 ```bash
 goveal serve ./slides.md
 ```

-| Param                    | Description                                                                  | Default value           |
-| ------------------------ | ---------------------------------------------------------------------------- | ----------------------- |
-| `--host`                 | Hostname the binary is listening on                                          | `localhost`             |
-| `--port`                 | Port the binary is listening on                                              | `2233`                  |
-| `--code-theme`           | highlight.js theme to use                                                    | `monokai`               |
-| `--transition`           | Transition effect to show between slides                                     | `none`                  |
-| `--navigationMode`       | Navigation mode to use when using the cursor keys to navigate through slides | `default`               |
-| `--config`               | Path to the config file see [config](#config)                                | `$HOME/goveal:./goveal` |
-| `--horizontal-separator` | horizontal separator to split slides                                         | `===`                   |
-| `--vertical-separator`   | vertical separator to split slides                                           | `---`                   |
-| `--theme`                | reveal.js theme to use                                                       | `white`                 |
-| `-h` / `--help`          | shows help                                                                   |                         |
+| Param            | Description                                   | Default value           |
+|------------------|-----------------------------------------------|-------------------------|
+| `--host`         | Hostname the binary is listening on           | `127.0.0.1`             |
+| `--port`         | Port the binary is listening on               | `2233`                  |
+| `--config`       | Path to the config file see [config](#config) | `$HOME/goveal:./goveal` |
+| `--open-browser` | Open a browser after starting the web server  | `true`                  |
+| `-h` / `--help`  | shows help                                    |                         |
+
+### Container
+
+Assuming your slides are in a file called `slides.md` in the current directory, you can start the presentation like
+this:
+
+```shell
+podman/docker run --rm -ti -v `pwd`:/work -w /work -p 2233:2233 ghcr.io/baez90/goveal:0 serve --host 0.0.0.0 slides.md
+```
+
+By default `goveal` only listens on `127.0.0.1`. To allow traffic from outside the container you've to change the
+binding to `0.0.0.0`.

 ## Config

 Goveal supports multiple configuration mechanisms. It tries to load a configuration file from `$HOME` or from `.`
 i.e. `$HOME/goveal.yaml` or `$HOME/goveal.yml` or `./goveal.yaml` and so on.

-Most options that can be set via commandline flags can also be set via configuration file (actually all but
-the `--config` switch does not make sense in the configuration file, does it? :wink:). It is more a convenience feature
-to be able to set a theme and so on and so forth for the presentation without having to pass it every time as parameter.
+The config allows setting a lot of options exposed by Reveal.js.
+There are still a few missing, and I won't guarantee to support all options in the future.

-Furthermore goveal supports configuration hot reloading i.e. you can play around with different themes and the rendered
+Furthermore, `goveal` supports configuration hot reloading i.e. you can play around with different themes and the rendered
 theme will be changed whenever you hit the save button!

 See also an example at [`./examples/goveal.yaml`](./examples/goveal.yaml).
+I try to keep the example up to date to cover **all** supported config options as kind of documentation.

-### Custom CSS
+## Markdown
+
+A good point to start is the [slides.md](examples/slides.md) in the `examples` directory.
+I try to showcase everything possible with `goveal` in this presentation.
+
+The most remarkable difference between `goveal` and the `marked` driven Reveal.js markdown is how line numbers in listings are working:
+
+Reveal.js:
+
+<pre lang="no-highlight"><code>```cs [1-2|3|4]
+var i = 10;
+for (var j = 0; j < i; j++) {
+    Console.WriteLine($"{j}");
+}
+```</code></pre>
+
+`goveal`:
+
+<pre lang="no-highlight"><code>
+{line-numbers="1-2|3|4"}
+```cs
+var i = 10;
+for (var j = 0; j < i; j++) {
+    Console.WriteLine($"{j}");
+}
+```</code></pre>
+
+This is because the Markdown parser used in `goveal` currently does not support additional attributes for code blocks.
+
+## Custom CSS

 To add custom CSS as theme overrides use a config file and add the `stylesheets` property. It takes a list of relative (
 mandatory!) paths to CSS files that are included automatacally after the page was loaded so that they really overload
 everything added by Reveal and plugins.

-the sample configuration file [`./examples/goveal.yaml`](./examples/goveal.yaml) also contains a sample how to add
+Changes in the custom CSS files are monitored and propagated via SSE to the presentation immediately. 
+No page reload necessary!
+
+The sample configuration file [`./examples/goveal.yaml`](./examples/goveal.yaml) also contains a sample how to add
 custom CSS.
+
+## Emojis
+
+Aside of UTF character emojis `goveal` also supports emoji references like Github flavored markdown supports them.
+For example`:winking_face:` becomes :winking_face: .
+All supported keywords can be found [here](https://unpkg.com/emojilib@latest).
--- a/Taskfile.yml
+++ b/Taskfile.yml
@ -2,8 +2,9 @@ version: '3'

 vars:
  DEBUG_PORT: 2345
-  REVEALJS_VERSION: 4.1.2
-  HIGHLIGHTJS_VERSION: 11.3.1
+  REVEALJS_VERSION: 4.3.0
+  HIGHLIGHTJS_VERSION: 11.5.0
+  MERMAID_VERSION: 8.14.0
  BINARY_NAME: goveal
  OUT_DIR: ./out
  GO_BUILD_ARGS: -ldflags="-w -s"
@ -32,6 +33,8 @@ tasks:
      - "{{ .GOBIN }}goimports -w -local github.com/baez90/goveal ./."

  deps:
+    deps:
+      - download-assets
    sources:
      - go.mod
      - go.sum
@ -85,18 +88,20 @@ tasks:
    cmds:
      - goreleaser --snapshot --skip-publish --rm-dist

-  download-reveal:
+  download-assets:
    sources:
      - Taskfile.yml
    cmds:
      - rm -rf ./assets/reveal
-      - mkdir -p ./assets/reveal
+      - mkdir -p ./assets/reveal ./assets/mermaid
      - curl -sL https://github.com/hakimel/reveal.js/archive/{{ .REVEALJS_VERSION }}.tar.gz | tar -xvz --strip-components=1 -C ./assets/reveal --wildcards "*.js" --wildcards "*.css" --wildcards "*.html" --wildcards "*.woff" --wildcards "*.ttf" --exclude "test" --exclude "gulpfile.js" --exclude "gruntfile.js"  --exclude "demo.html" --exclude "index.html" --exclude "examples/*.html"
      - mkdir -p ./assets/reveal/plugin/menu ./assets/reveal/plugin/mouse-pointer
      - git clone https://github.com/denehyg/reveal.js-menu.git ./assets/reveal/plugin/menu
      - curl -L -o ./assets/reveal/plugin/mouse-pointer/mouse-pointer.js https://raw.githubusercontent.com/caiofcm/plugin-revealjs-mouse-pointer/master/mouse-pointer.js
      - rm -f ./assets/reveal/plugin/menu/{bower.json,CONTRIBUTING.md,LICENSE,package.json,README.md,.gitignore,gulpfile.js,package-lock.json}
      - curl -L https://github.com/highlightjs/highlight.js/archive/{{ .HIGHLIGHTJS_VERSION }}.tar.gz | tar -xvz --strip-components=3 -C ./assets/reveal/plugin/highlight --wildcards "*.css" highlight.js-{{ .HIGHLIGHTJS_VERSION }}/src/styles/
+      - curl -L https://registry.npmjs.org/mermaid/-/mermaid-{{ .MERMAID_VERSION }}.tgz | tar -xvz -C ./assets/mermaid/ package/dist --strip-components=2
+      - curl -L -o rendering/emoji/emoji.json https://unpkg.com/emojilib@latest

  go-get-tool:
    vars:
@ -120,4 +125,4 @@ tasks:
        vars:
          PACKAGE: golang.org/x/tools/cmd/goimports@v0.1.7
    status:
-      - test -f {{ .GOBIN }}goimports
+      - test -f {{ .GOBIN }}goimports
--- a/api/config.go
+++ b/api/config.go
@ -0,0 +1,36 @@
+package api
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/julienschmidt/httprouter"
+
+	"github.com/baez90/goveal/config"
+)
+
+type ConfigAPI struct {
+	cfg *config.Components
+}
+
+func RegisterConfigAPI(router *httprouter.Router, cfg *config.Components) {
+	cfgAPI := &ConfigAPI{cfg: cfg}
+	router.GET("/api/v1/config/reveal", cfgAPI.RevealConfig)
+	router.GET("/api/v1/config/mermaid", cfgAPI.MermaidConfig)
+}
+
+func (a *ConfigAPI) RevealConfig(writer http.ResponseWriter, _ *http.Request, _ httprouter.Params) {
+	writer.Header().Set("Content-Type", "application/json")
+	enc := json.NewEncoder(writer)
+	if err := enc.Encode(a.cfg.Reveal); err != nil {
+		writer.WriteHeader(http.StatusInternalServerError)
+	}
+}
+
+func (a *ConfigAPI) MermaidConfig(writer http.ResponseWriter, _ *http.Request, _ httprouter.Params) {
+	writer.Header().Set("Content-Type", "application/json")
+	enc := json.NewEncoder(writer)
+	if err := enc.Encode(a.cfg.Mermaid); err != nil {
+		writer.WriteHeader(http.StatusInternalServerError)
+	}
+}
--- a/api/events.go
+++ b/api/events.go
@ -0,0 +1,92 @@
+package api
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"net/http"
+	"time"
+
+	"github.com/julienschmidt/httprouter"
+	log "github.com/sirupsen/logrus"
+
+	"github.com/baez90/goveal/events"
+)
+
+type ContentEventHandler chan events.ContentEvent
+
+func (h ContentEventHandler) OnEvent(ce events.ContentEvent) error {
+	const enqueueTimeout = 50 * time.Millisecond
+	select {
+	case h <- ce:
+		return nil
+	case <-time.After(enqueueTimeout):
+		return errors.New("failed to enqueue due to timeout")
+	}
+}
+
+func (h ContentEventHandler) Close() (err error) {
+	defer func() {
+		if rec := recover(); rec != nil {
+			err = fmt.Errorf("failed to close event handler: %v", rec)
+		}
+	}()
+
+	close(h)
+	return
+}
+
+type Events struct {
+	logger *log.Logger
+	hub    *events.EventHub
+}
+
+func RegisterEventsAPI(router *httprouter.Router, hub *events.EventHub, logger *log.Logger) {
+	ev := &Events{hub: hub, logger: logger}
+	router.GET("/api/v1/events", ev.EventHandler)
+}
+
+func (e *Events) EventHandler(writer http.ResponseWriter, req *http.Request, _ httprouter.Params) {
+	writer.Header().Set("Content-Type", "text/event-stream")
+	writer.Header().Set("Cache-Control", "no-cache")
+	writer.Header().Set("Connection", "keep-alive")
+	writer.Header().Set("Access-Control-Allow-Origin", "*")
+	writer.Header().Set("Transfer-Encoding", "chunked")
+	writer.Header().Set("Access-Control-Allow-Headers", "Cache-Control")
+	writer.Header().Set("Access-Control-Allow-Credentials", "true")
+
+	var (
+		handler  = make(ContentEventHandler)
+		clientID = e.hub.Subscribe(handler)
+		buf      = new(bytes.Buffer)
+		enc      = json.NewEncoder(buf)
+	)
+
+	defer func() {
+		if err := e.hub.Unsubscribe(clientID); err != nil {
+			e.logger.Warnf("Error occurred while unsubscribing: %v", err)
+		}
+	}()
+
+	for {
+		select {
+		case ev := <-handler:
+			if err := enc.Encode(ev); err != nil {
+				e.logger.Errorf("Failed to marshal to JSON: %v", err)
+				continue
+			} else if _, err = fmt.Fprintf(writer, "data: %s\n\n", buf.String()); err != nil {
+				e.logger.Errorf("Failed to write to client: %v", err)
+				return
+			} else if f, ok := writer.(http.Flusher); !ok {
+				e.logger.Errorf("Cannot flush data")
+				writer.WriteHeader(http.StatusBadRequest)
+				return
+			} else {
+				f.Flush()
+			}
+		case <-req.Context().Done():
+			return
+		}
+	}
+}
--- a/api/no_cache_middleware.go
+++ b/api/no_cache_middleware.go
@ -0,0 +1,12 @@
+package api
+
+import (
+	"net/http"
+)
+
+func NoCache(handler http.Handler) http.Handler {
+	return http.HandlerFunc(func(writer http.ResponseWriter, request *http.Request) {
+		writer.Header().Set("Cache-Control", "no-cache")
+		handler.ServeHTTP(writer, request)
+	})
+}
--- a/api/reveal.go
+++ b/api/reveal.go
@ -0,0 +1,33 @@
+package api
+
+import (
+	"io"
+	"net/http"
+	"path"
+	"strings"
+	"time"
+
+	"github.com/baez90/goveal/assets"
+	"github.com/baez90/goveal/fs"
+	"github.com/baez90/goveal/web"
+)
+
+func FileSystemMiddleware(fallthroughHandler http.Handler, wdfs fs.FS) http.Handler {
+	layers := []fs.FS{wdfs}
+	layers = append([]fs.FS{web.WebFS, assets.Assets}, layers...)
+
+	layeredFS := fs.Layered{Layers: layers}
+	return http.HandlerFunc(func(writer http.ResponseWriter, req *http.Request) {
+		reqPath := strings.TrimPrefix(req.URL.Path, "/")
+		if f, err := layeredFS.Open(reqPath); err != nil {
+			fallthroughHandler.ServeHTTP(writer, req)
+			return
+		} else if readSeeker, ok := f.(io.ReadSeeker); ok {
+			http.ServeContent(writer, req, path.Base(reqPath), time.Now(), readSeeker)
+			_ = f.Close()
+		} else {
+			_ = f.Close()
+			fallthroughHandler.ServeHTTP(writer, req)
+		}
+	})
+}
--- a/api/views.go
+++ b/api/views.go
@ -0,0 +1,99 @@
+package api
+
+import (
+	"encoding/hex"
+	"hash/fnv"
+	"html/template"
+	"io"
+	"net/http"
+	"path"
+
+	"github.com/Masterminds/sprig/v3"
+	"github.com/julienschmidt/httprouter"
+	log "github.com/sirupsen/logrus"
+	"go.uber.org/multierr"
+
+	"github.com/baez90/goveal/config"
+	"github.com/baez90/goveal/fs"
+	"github.com/baez90/goveal/rendering"
+	"github.com/baez90/goveal/web"
+)
+
+var indexTmpl *template.Template
+
+func init() {
+	if t, err := template.
+		New("index").
+		Funcs(sprig.FuncMap()).
+		Funcs(map[string]interface{}{
+			"fileId": func(fileName string) string {
+				h := fnv.New32a()
+				return hex.EncodeToString(h.Sum([]byte(path.Base(fileName))))
+			},
+		}).
+		ParseFS(web.WebFS, "*.gohtml"); err != nil {
+		panic(err)
+	} else {
+		indexTmpl = t
+	}
+}
+
+type Views struct {
+	logger     *log.Logger
+	cfg        *config.Components
+	wdfs       fs.FS
+	mdFilepath string
+}
+
+func RegisterViews(router *httprouter.Router, logger *log.Logger, wdfs fs.FS, mdFilepath string, cfg *config.Components) {
+	p := &Views{
+		logger:     logger,
+		cfg:        cfg,
+		wdfs:       wdfs,
+		mdFilepath: mdFilepath,
+	}
+	router.GET("/", p.IndexPage)
+	router.GET("/index.html", p.IndexPage)
+	router.GET("/index.htm", p.IndexPage)
+	router.GET("/slides", p.RenderedMarkdown)
+}
+
+func (p *Views) IndexPage(writer http.ResponseWriter, _ *http.Request, _ httprouter.Params) {
+	writer.Header().Set("Content-Type", "text/html")
+	if err := indexTmpl.ExecuteTemplate(writer, "index.gohtml", map[string]interface{}{
+		"Reveal":    p.cfg.Reveal,
+		"Rendering": p.cfg.Rendering,
+	}); err != nil {
+		p.logger.Errorf("Failed to render template: %v", err)
+		writer.WriteHeader(http.StatusInternalServerError)
+		_, _ = writer.Write([]byte(err.Error()))
+	}
+}
+
+func (p *Views) RenderedMarkdown(writer http.ResponseWriter, _ *http.Request, _ httprouter.Params) {
+	f, err := p.wdfs.Open(p.mdFilepath)
+	if err != nil {
+		writer.WriteHeader(http.StatusInternalServerError)
+		_, _ = writer.Write([]byte(err.Error()))
+		return
+	}
+	defer multierr.AppendInvoke(&err, multierr.Close(f))
+	data, err := io.ReadAll(f)
+	if err != nil {
+		writer.WriteHeader(http.StatusInternalServerError)
+		_, _ = writer.Write([]byte(err.Error()))
+		return
+	}
+
+	writer.Header().Set("Content-Type", "text/html")
+	var rendered []byte
+	if rendered, err = rendering.ToHTML(string(data), p.cfg.Rendering); err != nil {
+		writer.WriteHeader(http.StatusInternalServerError)
+		_, _ = writer.Write([]byte(err.Error()))
+		return
+	} else if _, err = writer.Write(rendered); err != nil {
+		writer.WriteHeader(http.StatusInternalServerError)
+		_, _ = writer.Write([]byte(err.Error()))
+		return
+	}
+}
--- a/assets/assets.go
+++ b/assets/assets.go
@ -2,9 +2,5 @@ package assets

 import "embed"

-var (
-	//go:embed template/reveal-markdown.tmpl
-	Template []byte
-	//go:embed web reveal
-	Assets embed.FS
-)
+//go:embed reveal mermaid/mermaid.min.js
+var Assets embed.FS
--- a/assets/lint/config.toml
+++ b/assets/lint/config.toml
@ -1,46 +0,0 @@
-ignoreGeneratedHeader = false
-severity = "warning"
-confidence = 0.8
-errorCode = 1
-warningCode = 1
-empty-block = true
-confusing-naming = true
-get-return = true
-deep-exit = true
-unused-parameter = true
-unreachable-code = true
-
-
-[rule.blank-imports]
-[rule.context-as-argument]
-[rule.context-keys-type]
-[rule.dot-imports]
-[rule.error-return]
-[rule.error-strings]
-[rule.error-naming]
-[rule.exported]
-[rule.if-return]
-[rule.increment-decrement]
-[rule.var-naming]
-[rule.var-declaration]
-[rule.package-comments]
-[rule.range]
-[rule.receiver-naming]
-[rule.time-naming]
-[rule.unexported-return]
-[rule.indent-error-flow]
-[rule.errorf]
-[rule.empty-block]
-[rule.superfluous-else]
-[rule.unused-parameter]
-[rule.unreachable-code]
-[rule.redefines-builtin-id]
-
-[argument-limit]
-  arguments =[4]
-
-[line-length-limit]
-  arguments =[80]
-
-[rule.add-constant]
-  arguments = [{maxLitCount = "3",allowStrs ="\"\"",allowInts="0,1,2",allowFloats="0.0,0.,1.0,1.,2.0,2."}]
--- a/assets/web/js/reload.js
+++ b/assets/web/js/reload.js
@ -1,24 +0,0 @@
-let knownHashes = {}
-
-function getLatestHash(path) {
-    let request = new XMLHttpRequest()
-    request.open("GET", `/hash/md5${path}`)
-
-    request.onload = () => {
-        if(request.status === 200) {
-            let hashResp = JSON.parse(request.responseText)
-            if(path in knownHashes && knownHashes[path] !== hashResp["Hash"]) {
-                window.location.reload()
-            } else {
-                knownHashes[path] = hashResp["Hash"]
-            }
-        }
-    }
-    request.send()
-}
-
-function subscribeForUpdates(path) {
-    setInterval(() => {
-        getLatestHash(path)
-    }, 1000)
-}
--- a/build/docker/goveal.dockerfile
+++ b/build/docker/goveal.dockerfile
@ -0,0 +1,9 @@
+FROM gcr.io/distroless/static:nonroot
+
+USER nonroot:nonroot
+
+COPY --chown=nonroot:nonroot goveal /app/goveal
+
+EXPOSE 2233
+
+ENTRYPOINT ["/app/goveal"]
--- a/cmd/goveal/main.go
+++ b/cmd/goveal/main.go
@ -15,9 +15,11 @@
 package main

 import (
-	"github.com/baez90/goveal/internal/app/cmd"
+	log "github.com/sirupsen/logrus"
 )

 func main() {
-	cmd.Execute()
+	if err := rootCmd.Execute(); err != nil {
+		log.Errorf("Failed to run command: %v", err)
+	}
 }
--- a/cmd/goveal/root.go
+++ b/cmd/goveal/root.go
@ -0,0 +1,52 @@
+// Copyright © 2019 Peter Kurfer
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package main
+
+import (
+	"os"
+
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+
+	"github.com/baez90/goveal/config"
+)
+
+//nolint:lll // explanations are rather long
+var (
+	cfgFile string
+	rootCmd = &cobra.Command{
+		Use:   "goveal",
+		Short: "goveal is a small reveal.js server",
+		Long: `goveal is a single static binary to host your reveal.js based markdown presentation.
+It is running a small web server that loads your markdown file, renders a complete HTML page and delivers it including all the reveal.js assets.
+It is not required to restart the server when you edit the markdown - a simple reload of the page is doing all the required magic.`,
+		PersistentPreRunE: func(*cobra.Command, []string) (err error) {
+			log.SetFormatter(&log.TextFormatter{
+				ForceColors: true,
+			})
+
+			if workingDir, err = os.Getwd(); err != nil {
+				return err
+			}
+
+			cfg, err = config.Load(workingDir, cfgFile)
+			return err
+		},
+	}
+)
+
+func init() {
+	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.go-reveal-slides.yaml)")
+}
--- a/cmd/goveal/serve.go
+++ b/cmd/goveal/serve.go
@ -0,0 +1,109 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+	"hash/fnv"
+	"net/http"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+
+	"github.com/julienschmidt/httprouter"
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+	"go.uber.org/multierr"
+
+	"github.com/baez90/goveal/api"
+	"github.com/baez90/goveal/config"
+	"github.com/baez90/goveal/events"
+	"github.com/baez90/goveal/fs"
+)
+
+const (
+	defaultListeningPort uint16 = 2233
+	defaultHost                 = "127.0.0.1"
+)
+
+var (
+	workingDir  string
+	cfg         *config.Components
+	host        string
+	port        uint16
+	openBrowser bool
+	serveCmd    = &cobra.Command{
+		Use:  "serve",
+		Args: cobra.ExactArgs(1),
+		RunE: func(_ *cobra.Command, args []string) (err error) {
+			var wdfs *fs.Watching
+
+			if wdfs, err = fs.NewWatching(fs.Dir(workingDir)); err != nil {
+				return err
+			}
+
+			defer multierr.AppendInvoke(&err, multierr.Close(wdfs))
+
+			var mdFile fs.File
+			if mdFile, err = wdfs.Open(args[0]); err != nil {
+				return err
+			}
+			_ = mdFile.Close()
+
+			router := httprouter.New()
+
+			hub := events.NewEventHub(
+				log.StandardLogger(),
+				wdfs,
+				fnv.New32a(),
+				events.MutationReloadForFile(args[0]),
+				events.MutationConfigReloadForFile(filepath.Base(cfg.ConfigFileInUse)),
+			)
+
+			api.RegisterViews(router, log.StandardLogger(), wdfs, args[0], cfg)
+			api.RegisterEventsAPI(router, hub, log.StandardLogger())
+			api.RegisterConfigAPI(router, cfg)
+
+			handler := api.FileSystemMiddleware(router, wdfs)
+			handler = api.NoCache(handler)
+
+			if openBrowser {
+				log.Info("Opening browser...")
+				openBrowserInBackground(fmt.Sprintf("http://%s:%d", host, port))
+			}
+
+			log.Infof("Listening on %s:%d", host, port)
+			if err := http.ListenAndServe(fmt.Sprintf("%s:%d", host, port), handler); err != nil {
+				if errors.Is(err, http.ErrServerClosed) {
+					return nil
+				}
+				return err
+			}
+			return nil
+		},
+	}
+)
+
+func init() {
+	serveCmd.Flags().Uint16Var(&port, "port", defaultListeningPort, "port to listen on")
+	serveCmd.Flags().StringVar(&host, "host", defaultHost, "address/hostname to bind on")
+	serveCmd.Flags().BoolVar(&openBrowser, "open-browser", true, "Open browser when starting")
+	rootCmd.AddCommand(serveCmd)
+}
+
+func openBrowserInBackground(url string) {
+	var err error
+
+	switch runtime.GOOS {
+	case "linux":
+		err = exec.Command("xdg-open", url).Start()
+	case "windows":
+		err = exec.Command("rundll32", "url.dll,FileProtocolHandler", url).Start()
+	case "darwin":
+		err = exec.Command("open", url).Start()
+	default:
+		err = fmt.Errorf("unsupported platform")
+	}
+	if err != nil {
+		log.Warn(err)
+	}
+}
--- a/config/components.go
+++ b/config/components.go
@ -0,0 +1,85 @@
+package config
+
+const (
+	defaultWidth  uint = 960
+	defaultHeight uint = 700
+)
+
+var defaults = map[string]interface{}{
+	"mermaid.theme":                       "forest",
+	"theme":                               "beige",
+	"width":                               defaultWidth,
+	"height":                              defaultHeight,
+	"codeTheme":                           "monokai",
+	"verticalSeparator":                   `\*\*\*`,
+	"horizontalSeparator":                 `---`,
+	"transition":                          TransitionNone,
+	"controlsLayout":                      ControlsLayoutEdges,
+	"controls":                            true,
+	"progress":                            true,
+	"history":                             true,
+	"center":                              true,
+	"slideNumber":                         true,
+	"menu.numbers":                        true,
+	"menu.useTextContentForMissingTitles": true,
+	"menu.transitions":                    true,
+	"menu.hideMissingTitles":              true,
+	"menu.markers":                        true,
+	"menu.openButton":                     true,
+}
+
+const (
+	TransitionNone    Transition = "none"
+	TransitionFade    Transition = "fade"
+	TransitionSlide   Transition = "slide"
+	TransitionConvex  Transition = "convex"
+	TransitionConcave Transition = "concave"
+	TransitionZoom    Transition = "zoom"
+
+	ControlsLayoutBottomRight ControlsLayout = "bottom-right"
+	ControlsLayoutEdges       ControlsLayout = "edges"
+)
+
+type (
+	Transition     string
+	ControlsLayout string
+	Mermaid        struct {
+		Theme string `json:"theme"`
+	}
+	Rendering struct {
+		VerticalSeparator   string
+		HorizontalSeparator string
+		Stylesheets         []string
+	}
+	Reveal struct {
+		Theme          string         `json:"theme"`
+		CodeTheme      string         `json:"codeTheme"`
+		Transition     Transition     `json:"transition"`
+		Controls       bool           `json:"controls"`
+		ControlsLayout ControlsLayout `json:"controlsLayout"`
+		Progress       bool           `json:"progress"`
+		History        bool           `json:"history"`
+		Center         bool           `json:"center"`
+		SlideNumber    bool           `json:"slideNumber"`
+		Width          uint           `json:"width"`
+		Height         uint           `json:"height"`
+		Menu           struct {
+			Numbers                        bool `json:"numbers"`
+			UseTextContentForMissingTitles bool `json:"useTextContentForMissingTitles"`
+			Transitions                    bool `json:"transitions"`
+			HideMissingTitles              bool `json:"hideMissingTitles"`
+			Markers                        bool `json:"markers"`
+			OpenButton                     bool `json:"openButton"`
+		} `json:"menu"`
+	}
+	Components struct {
+		ConfigFileInUse string    `mapstructure:"-"`
+		Reveal          Reveal    `mapstructure:",squash"`
+		Rendering       Rendering `mapstructure:",squash"`
+		Mermaid         Mermaid
+	}
+)
+
+func (t Transition) String() string {
+	return string(t)
+}
--- a/config/load.go
+++ b/config/load.go
@ -0,0 +1,51 @@
+package config
+
+import (
+	"github.com/fsnotify/fsnotify"
+	"github.com/mitchellh/go-homedir"
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/viper"
+)
+
+func Load(workingDir, configFile string) (cfg *Components, err error) {
+	var (
+		loader = viper.New()
+		home   string
+	)
+	cfg = new(Components)
+
+	for k, v := range defaults {
+		loader.SetDefault(k, v)
+	}
+
+	if configFile != "" {
+		loader.SetConfigFile(configFile)
+	} else if home, err = homedir.Dir(); err != nil {
+		return nil, err
+	} else {
+		loader.AddConfigPath(home)
+		loader.AddConfigPath(workingDir)
+		loader.SetConfigName("goveal")
+		loader.SetConfigType("yaml")
+	}
+
+	loader.AutomaticEnv()
+
+	if err = loader.ReadInConfig(); err == nil {
+		log.Info("Using config file:", loader.ConfigFileUsed())
+		cfg.ConfigFileInUse = loader.ConfigFileUsed()
+		loader.WatchConfig()
+	} else {
+		return nil, err
+	}
+
+	loader.OnConfigChange(func(in fsnotify.Event) {
+		if in.Op == fsnotify.Write {
+			_ = loader.Unmarshal(cfg)
+		}
+	})
+
+	err = loader.Unmarshal(cfg)
+
+	return cfg, err
+}
--- a/events/event_hub.go
+++ b/events/event_hub.go
@ -0,0 +1,156 @@
+package events
+
+import (
+	"encoding/hex"
+	"fmt"
+	"hash"
+	"io"
+	"path"
+	"path/filepath"
+	"strconv"
+	"strings"
+	"sync"
+
+	"github.com/google/uuid"
+	log "github.com/sirupsen/logrus"
+
+	"github.com/baez90/goveal/fs"
+)
+
+const (
+	baseDecimal = 10
+)
+
+type (
+	EventMutation interface {
+		OnEvent(in ContentEvent, ev fs.Event) (out ContentEvent)
+	}
+	ContentEvent struct {
+		File         string `json:"file"`
+		FileNameHash string `json:"fileNameHash"`
+		Timestamp    string `json:"ts"`
+		ForceReload  bool   `json:"forceReload"`
+		ReloadConfig bool   `json:"reloadConfig"`
+	}
+	EventSource interface {
+		io.Closer
+		fs.FS
+		Events() chan fs.Event
+	}
+	EventHandler interface {
+		OnEvent(ev ContentEvent) error
+		Close() error
+	}
+	EventHandlerFunc            func(ev ContentEvent) error
+	MutationReloadForFile       string
+	MutationConfigReloadForFile string
+)
+
+func (t MutationReloadForFile) OnEvent(in ContentEvent, ev fs.Event) (out ContentEvent) {
+	if strings.EqualFold(filepath.Base(ev.File), filepath.Base(string(t))) {
+		in.ForceReload = true
+	}
+	return in
+}
+
+func (t MutationConfigReloadForFile) OnEvent(in ContentEvent, ev fs.Event) (out ContentEvent) {
+	if strings.EqualFold(filepath.Base(ev.File), string(t)) {
+		in.ReloadConfig = true
+	}
+	return in
+}
+
+func (f EventHandlerFunc) OnEvent(ev ContentEvent) error {
+	return f(ev)
+}
+
+func NewEventHub(logger *log.Logger, eventSource EventSource, fileNameHash hash.Hash, mutations ...EventMutation) *EventHub {
+	hub := &EventHub{
+		Logger:        logger,
+		FileNameHash:  fileNameHash,
+		mutations:     mutations,
+		source:        eventSource,
+		subscriptions: make(map[uuid.UUID]EventHandler),
+		done:          make(chan struct{}),
+	}
+
+	go hub.processEvents()
+
+	return hub
+}
+
+type EventHub struct {
+	FileNameHash  hash.Hash
+	Logger        *log.Logger
+	mutations     []EventMutation
+	lock          sync.RWMutex
+	done          chan struct{}
+	source        EventSource
+	subscriptions map[uuid.UUID]EventHandler
+}
+
+func (h *EventHub) Subscribe(handler EventHandler) (id uuid.UUID) {
+	h.lock.Lock()
+	defer h.lock.Unlock()
+
+	clientID := uuid.New()
+	h.subscriptions[clientID] = handler
+
+	return clientID
+}
+
+func (h *EventHub) Unsubscribe(id uuid.UUID) (err error) {
+	h.lock.Lock()
+	defer h.lock.Unlock()
+
+	if handler, ok := h.subscriptions[id]; ok {
+		err = handler.Close()
+		delete(h.subscriptions, id)
+		return err
+	}
+
+	return nil
+}
+
+func (h *EventHub) Close() error {
+	close(h.done)
+	return h.source.Close()
+}
+
+func (h *EventHub) processEvents() {
+	events := h.source.Events()
+	for {
+		select {
+		case ev, more := <-events:
+			if !more {
+				return
+			}
+			h.notifySubscribers(ev)
+		case _, more := <-h.done:
+			if !more {
+				return
+			}
+		}
+	}
+}
+
+func (h *EventHub) notifySubscribers(ev fs.Event) {
+	h.lock.RLock()
+	defer h.lock.RUnlock()
+
+	ce := ContentEvent{
+		File:         fmt.Sprintf("/%s", ev.File),
+		Timestamp:    strconv.FormatInt(ev.Timestamp.Unix(), baseDecimal),
+		FileNameHash: hex.EncodeToString(h.FileNameHash.Sum([]byte(path.Base(ev.File)))),
+	}
+
+	for idx := range h.mutations {
+		ce = h.mutations[idx].OnEvent(ce, ev)
+	}
+
+	for _, handler := range h.subscriptions {
+		if err := handler.OnEvent(ce); err != nil {
+			h.Logger.Errorf("Failed to propagate event: %v", err)
+		}
+	}
+}
--- a/examples/gopher.jpg
+++ b/examples/gopher.jpg
--- a/examples/goveal.yaml
+++ b/examples/goveal.yaml
@ -1,9 +1,22 @@
 theme: night
 codeTheme: monokai
-horizontalSeparator: ===
-verticalSeparator: ---
-transition: fade
+horizontalSeparator: ---
+verticalSeparator: '\*\*\*'
+transition: convex
+controlsLayout: edges
+controls: true
+progress: true
+history: true
+center: true
+slideNumber: true
+menu:
+  numbers: false
+  useTextContentForMissingTitles: true
+  transitions: true
+  hideMissingTitles: false
+  markers: true
+  openButton: true
+mermaid:
+  theme: forest
 stylesheets:
-  - custom.css
-filesToMonitor:
-  - ./**/*.css
+  - custom.css
--- a/examples/slides.md
+++ b/examples/slides.md
@ -4,51 +4,78 @@

 Content 1.1

-Note: This will only appear in the speaker notes window.
-
---
+***

 ## External 1.2

 Content 1.2

-===
+Note:
+
+This will only display in the notes window.
+
+***
+
+### List & fragments
+
+* unordered <!-- .element: class="fragment" -->
+* list <!-- .element: class="fragment" -->
+* with `code`  <!-- .element: class="fragment" -->
+* with __bold__ text <!-- .element: class="fragment" -->
+
+Notes:
+
+- some other points only
+- in the nodes
+
+***
+
+### List in HTML
+
+<ul>
+<li>List</li>
+<li class="fragment">with <code>code</code></li>
+<li class="fragment">with <strong>bold</strong> text</li>
+</ul>
+
+---

 ## External 2

 Content 2.1

-===
+---

 ## External 3.1

 Content 3.1

---
+***

 ## External 3.2

 Content 3.2

---
+***

 ## External 3.3

 ![External Image](https://s3.amazonaws.com/static.slid.es/logo/v2/slides-symbol-512x512.png)

-===
+---
+<!-- .slide data-menu-title="Abla Habla" -->

 ## External 4.1

-![Local image](/examples/gopher.jpg)
+![Local image](/gopher.jpg) <!-- .element: class="r-stretch" -->

---
+***

 ## External 4.2

 <a href="https://www.google.com">Google</a>

-===
+---

 ## Code

@ -57,4 +84,26 @@ var i = 10;
 for (var j = 0; j < i; j++) {
    Console.WriteLine($"{j}");
 }
+```
+
+***
+
+### Mermaid
+
+```mermaid
+%%{init: {'theme': 'neutral'}}%%
+flowchart LR
+   a --> b & c--> d
+```
+
+***
+
+### The inadequacy of a non-highlighted being
+
+{line-numbers="1-2|3|4"}
+```js
+let a = 1;
+let b = 2;
+let c = x => 1 + 2 + x;
+c(3);
 ```
--- a/fs/layered.go
+++ b/fs/layered.go
@ -0,0 +1,26 @@
+package fs
+
+import (
+	"io/fs"
+	"os"
+)
+
+type (
+	FS   = fs.FS
+	File = fs.File
+)
+
+var Dir = os.DirFS
+
+type Layered struct {
+	Layers []FS
+}
+
+func (l Layered) Open(name string) (file fs.File, err error) {
+	for idx := range l.Layers {
+		if file, err = l.Layers[idx].Open(name); err == nil {
+			return file, nil
+		}
+	}
+	return nil, err
+}
--- a/fs/watching_fs.go
+++ b/fs/watching_fs.go
@ -0,0 +1,66 @@
+package fs
+
+import (
+	"io/fs"
+	"path/filepath"
+	"time"
+
+	"github.com/fsnotify/fsnotify"
+	log "github.com/sirupsen/logrus"
+)
+
+type Event struct {
+	File      string
+	Timestamp time.Time
+}
+
+func NewWatching(backing FS) (*Watching, error) {
+	watcher, err := fsnotify.NewWatcher()
+	if err != nil {
+		return nil, err
+	}
+	return &Watching{
+		watcher: watcher,
+		backing: backing,
+	}, nil
+}
+
+type Watching struct {
+	events  chan Event
+	watcher *fsnotify.Watcher
+	backing FS
+}
+
+func (w *Watching) Open(name string) (file fs.File, err error) {
+	file, err = w.backing.Open(name)
+	if err == nil {
+		dir := filepath.Dir(name)
+		if watchErr := w.watcher.Add(dir); watchErr != nil {
+			log.Errorf("Failed to watch %s: %v", dir, watchErr)
+		}
+		return file, nil
+	}
+	return nil, err
+}
+
+func (w *Watching) Events() chan Event {
+	if w.events == nil {
+		w.events = make(chan Event)
+		go transportEvents(w.watcher.Events, w.events)
+	}
+	return w.events
+}
+
+func (w *Watching) Close() error {
+	return w.watcher.Close()
+}
+
+func transportEvents(in <-chan fsnotify.Event, out chan<- Event) {
+	for ev := range in {
+		ev.Name = filepath.Base(ev.Name)
+		out <- Event{
+			File:      ev.Name,
+			Timestamp: time.Now(),
+		}
+	}
+}
--- a/go.mod
+++ b/go.mod
@ -4,39 +4,42 @@ go 1.17

 require (
 	github.com/Masterminds/sprig/v3 v3.2.2
-	github.com/bmatcuk/doublestar/v2 v2.0.4
 	github.com/fsnotify/fsnotify v1.5.1
-	github.com/imdario/mergo v0.3.12
+	github.com/gomarkdown/markdown v0.0.0-20220310201231-552c6011c0b8
+	github.com/google/uuid v1.3.0
+	github.com/julienschmidt/httprouter v1.3.0
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/sirupsen/logrus v1.8.1
-	github.com/spf13/cobra v1.2.1
-	github.com/spf13/viper v1.9.0
-	go.uber.org/multierr v1.7.0
+	github.com/spf13/cobra v1.4.0
+	github.com/spf13/viper v1.10.1
+	go.uber.org/multierr v1.8.0
 )

 require (
 	github.com/Masterminds/goutils v1.1.1 // indirect
 	github.com/Masterminds/semver/v3 v3.1.1 // indirect
-	github.com/google/uuid v1.3.0 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/huandu/xstrings v1.3.2 // indirect
+	github.com/imdario/mergo v0.3.12 // indirect
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
-	github.com/kr/pretty v0.3.0 // indirect
-	github.com/magiconair/properties v1.8.5 // indirect
+	github.com/kr/text v0.2.0 // indirect
+	github.com/magiconair/properties v1.8.6 // indirect
 	github.com/mitchellh/copystructure v1.2.0 // indirect
-	github.com/mitchellh/mapstructure v1.4.2 // indirect
+	github.com/mitchellh/mapstructure v1.4.3 // indirect
 	github.com/mitchellh/reflectwalk v1.0.2 // indirect
+	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
 	github.com/pelletier/go-toml v1.9.4 // indirect
 	github.com/shopspring/decimal v1.2.0 // indirect
-	github.com/spf13/afero v1.6.0 // indirect
+	github.com/spf13/afero v1.8.2 // indirect
 	github.com/spf13/cast v1.4.1 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/subosito/gotenv v1.2.0 // indirect
 	go.uber.org/atomic v1.9.0 // indirect
-	golang.org/x/crypto v0.0.0-20211108221036-ceb1ce70b4fa // indirect
-	golang.org/x/sys v0.0.0-20211111213525-f221eed1c01e // indirect
+	golang.org/x/crypto v0.0.0-20220314234724-5d542ad81a58 // indirect
+	golang.org/x/sys v0.0.0-20220310020820-b874c991c1a5 // indirect
 	golang.org/x/text v0.3.7 // indirect
-	gopkg.in/ini.v1 v1.63.2 // indirect
+	gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b // indirect
+	gopkg.in/ini.v1 v1.66.4 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 )
--- a/go.sum
+++ b/go.sum
@ -3,6 +3,7 @@ cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMT
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
 cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
 cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.44.3/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
 cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
 cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
 cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
@ -15,14 +16,7 @@ cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOY
 cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
 cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI=
 cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk=
-cloud.google.com/go v0.78.0/go.mod h1:QjdrLG0uq+YwhjoVOLsS1t7TW8fs36kLs4XO5R5ECHg=
-cloud.google.com/go v0.79.0/go.mod h1:3bzgcEeQlzbuEAYu4mrWhKqWjmpprinYgKJLgKHnbb8=
-cloud.google.com/go v0.81.0/go.mod h1:mk/AM35KwGk/Nm2YSeZbxXdrNK3KZOYHmLkOqC2V6E0=
-cloud.google.com/go v0.83.0/go.mod h1:Z7MJUsANfY0pYPdw0lbnivPx4/vhy/e2FEkSkF7vAVY=
-cloud.google.com/go v0.84.0/go.mod h1:RazrYuxIK6Kb7YrzzhPoLmCVzl7Sup4NrbKPg8KHSUM=
-cloud.google.com/go v0.87.0/go.mod h1:TpDYlFy7vuLzZMMZ+B6iRiELaY7z/gJPaqbMx6mlWcY=
-cloud.google.com/go v0.90.0/go.mod h1:kRX0mNRHe0e2rC6oNakvwQqzyDmg57xJ+SZU1eT2aDQ=
-cloud.google.com/go v0.93.3/go.mod h1:8utlLll2EF5XMAV15woO4lSbWQlk8rer9aLOfLh7+YI=
+cloud.google.com/go v0.75.0/go.mod h1:VGuuCn7PG0dwsd5XPVm2Mm3wlh3EL55/79EKB6hlPTY=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
 cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
 cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
@ -31,8 +25,6 @@ cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4g
 cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
 cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
-cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
-cloud.google.com/go/firestore v1.6.0/go.mod h1:afJwI0vaXwAG54kI7A//lP/lSPDkQORQuMkv56TxEPU=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
 cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
@ -42,6 +34,7 @@ cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0Zeo
 cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
 cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
 cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
+cloud.google.com/go/storage v1.14.0/go.mod h1:GrKmX003DSIwi9o29oFT7YDnHYwZoctc3fOKtUw0Xmo=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
@ -51,18 +44,7 @@ github.com/Masterminds/semver/v3 v3.1.1 h1:hLg3sBzpNErnxhQtUy/mmLR2I9foDujNK030I
 github.com/Masterminds/semver/v3 v3.1.1/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs=
 github.com/Masterminds/sprig/v3 v3.2.2 h1:17jRggJu518dr3QaafizSXOjKYp94wKfABxUmyxvxX8=
 github.com/Masterminds/sprig/v3 v3.2.2/go.mod h1:UoaO7Yp8KlPnJIYWTFkMaqPUYKTfGFPhxNuwnnxkKlk=
-github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
-github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
-github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
-github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
-github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
-github.com/armon/go-radix v1.0.0/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
-github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
-github.com/bketelsen/crypt v0.0.4/go.mod h1:aI6NrJ0pMGgvZKL1iVgXLnfIFJtfV+bKCoqOes/6LfM=
-github.com/bmatcuk/doublestar/v2 v2.0.4 h1:6I6oUiT/sU27eE2OFcWqBhL1SwjyvQuOssxT4a1yidI=
-github.com/bmatcuk/doublestar/v2 v2.0.4/go.mod h1:QMmcs3H2AUQICWhfzLXz+IYln8lRQmTZRptLie8RgRw=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
-github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
@ -70,10 +52,7 @@ github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDk
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
-github.com/cncf/xds/go v0.0.0-20210312221358-fbca930ec8ed/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
-github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
-github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
-github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+github.com/cpuguy83/go-md2man/v2 v2.0.1/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
@ -83,20 +62,12 @@ github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.m
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
 github.com/envoyproxy/go-control-plane v0.9.7/go.mod h1:cwu0lG7PUMfa9snN8LXBig5ynNVH9qI8YYLbd1fK2po=
 github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
-github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
-github.com/envoyproxy/go-control-plane v0.9.9-0.20210512163311-63b5d3c536b0/go.mod h1:hliV/p42l8fGbc6Y9bQ70uLwIvmJyVE5k4iMKlh8wCQ=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
-github.com/fatih/color v1.9.0/go.mod h1:eQcE1qtQxscV5RaZvpXrrb8Drkc3/DdQ+uUYCNjL+zU=
-github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
 github.com/fsnotify/fsnotify v1.5.1 h1:mZcQUHVQUQWoPXXtuf9yuEXKudkV2sx1E06UadKWpgI=
 github.com/fsnotify/fsnotify v1.5.1/go.mod h1:T3375wBYaZdLLcVNkcVbzGHY7f1l/uK5T5Ai1i3InKU=
-github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
-github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
-github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
@ -108,8 +79,6 @@ github.com/golang/mock v1.4.0/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt
 github.com/golang/mock v1.4.1/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
 github.com/golang/mock v1.4.3/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
 github.com/golang/mock v1.4.4/go.mod h1:l3mdAwkq5BuhzHwde/uurv3sEJeZMXNpwsxVWU71h+4=
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@ -124,10 +93,8 @@ github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvq
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@ -138,15 +105,10 @@ github.com/google/go-cmp v0.4.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
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@ -156,11 +118,7 @@ github.com/google/pprof v0.0.0-20200430221834-fc25d7d30c6d/go.mod h1:ZgVRPoUq/hf
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@ -168,38 +126,11 @@ github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
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@ -210,102 +141,62 @@ github.com/imdario/mergo v0.3.12 h1:b6R2BslTbIEToALKP7LxUvijTsNI9TAe80pLWN2g/HU=
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@ -314,37 +205,27 @@ github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9de
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@ -368,7 +249,6 @@ golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRu
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@ -379,11 +259,8 @@ golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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-golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
@ -394,7 +271,6 @@ golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190628185345-da137c7871d7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20190923162816-aa69164e4478/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@ -411,13 +287,9 @@ golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81R
 golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201031054903-ff519b6c9102/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
-golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201209123823-ac852fbbde11/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
-golang.org/x/net v0.0.0-20210119194325-5f4716e94777/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20201224014010-6772e930b67b/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
-golang.org/x/net v0.0.0-20210316092652-d523dce5a7f4/go.mod h1:RBQZq4jEuRlivfhVLdyRGr576XBO4/greRjx4P4O3yc=
-golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
-golang.org/x/net v0.0.0-20210503060351-7fd8e65b6420/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@ -427,13 +299,6 @@ golang.org/x/oauth2 v0.0.0-20200902213428-5d25da1a8d43/go.mod h1:KelEdhl1UZF7XfJ
 golang.org/x/oauth2 v0.0.0-20201109201403-9fd604954f58/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/oauth2 v0.0.0-20201208152858-08078c50e5b5/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/oauth2 v0.0.0-20210218202405-ba52d332ba99/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
-golang.org/x/oauth2 v0.0.0-20210220000619-9bb904979d93/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
-golang.org/x/oauth2 v0.0.0-20210313182246-cd4f82c27b84/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
-golang.org/x/oauth2 v0.0.0-20210402161424-2e8d93401602/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
-golang.org/x/oauth2 v0.0.0-20210514164344-f6687ab2804c/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
-golang.org/x/oauth2 v0.0.0-20210628180205-a41e5a781914/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
-golang.org/x/oauth2 v0.0.0-20210805134026-6f1e6394065a/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
-golang.org/x/oauth2 v0.0.0-20210819190943-2bc19b11175f/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@ -444,12 +309,8 @@ golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@ -457,18 +318,12 @@ golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190922100055-0a153f010e69/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190924154521-2837fb4f24fe/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200113162924-86b910548bc1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200124204421-9fbb57f87de9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200212091648-12a6c2dcc1e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@ -486,23 +341,12 @@ golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210104204734-6f8348627aad/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210220050731-9a76102bfb43/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210305230114-8fe3ee5dd75b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210315160823-c6e025ad8005/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210320140829-1e4c9ba3b0c4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210514084401-e8d321eab015/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210603125802-9665404d3644/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20210225134936-a50acf3fe073/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210423185535-09eb48e85fd7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210616094352-59db8d763f22/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210823070655-63515b42dcdf/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20211111213525-f221eed1c01e h1:zeJt6jBtVDK23XK9QXcmG0FvO0elikp0dYZQZOeL1y0=
-golang.org/x/sys v0.0.0-20211111213525-f221eed1c01e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220310020820-b874c991c1a5 h1:y/woIyUBFbpQGKS0u1aHF/40WUDnek3fPOyD08H5Vng=
+golang.org/x/sys v0.0.0-20220310020820-b874c991c1a5/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@ -510,8 +354,6 @@ golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
@ -523,7 +365,6 @@ golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190312151545-0bb0c0a6e846/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190312170243-e65039ee4138/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
-golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
@ -531,10 +372,8 @@ golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgw
 golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20190907020128-2ca718005c18/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191113191852-77e3bb0ad9e7/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191115202509-3a792d9c32b2/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
@ -557,7 +396,6 @@ golang.org/x/tools v0.0.0-20200501065659-ab2804fb9c9d/go.mod h1:EkVYQZoAsY45+roY
 golang.org/x/tools v0.0.0-20200512131952-2bc93b1c0c88/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/tools v0.0.0-20200515010526-7d3b6ebf133d/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/tools v0.0.0-20200618134242-20370b0cb4b2/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
-golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/tools v0.0.0-20200729194436-6467de6f59a7/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
 golang.org/x/tools v0.0.0-20200804011535-6c149bb5ef0d/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
 golang.org/x/tools v0.0.0-20200825202427-b303f430e36d/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
@ -566,13 +404,8 @@ golang.org/x/tools v0.0.0-20201110124207-079ba7bd75cd/go.mod h1:emZCQorbCU4vsT4f
 golang.org/x/tools v0.0.0-20201201161351-ac6f37ff4c2a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.0.0-20201208233053-a543418bbed2/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.0.0-20210105154028-b0ab187a4818/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
-golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/tools v0.0.0-20210108195828-e2f9c7f1fc8e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
-golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
-golang.org/x/tools v0.1.2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
-golang.org/x/tools v0.1.3/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
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-golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@ -596,15 +429,6 @@ google.golang.org/api v0.30.0/go.mod h1:QGmEvQ87FHZNiUVJkT14jQNYJ4ZJjdRF23ZXz513
 google.golang.org/api v0.35.0/go.mod h1:/XrVsuzM0rZmrsbjJutiuftIzeuTQcEeaYcSk/mQ1dg=
 google.golang.org/api v0.36.0/go.mod h1:+z5ficQTmoYpPn8LCUNVpK5I7hwkpjbcgqA7I34qYtE=
 google.golang.org/api v0.40.0/go.mod h1:fYKFpnQN0DsDSKRVRcQSDQNtqWPfM9i+zNPxepjRCQ8=
-google.golang.org/api v0.41.0/go.mod h1:RkxM5lITDfTzmyKFPt+wGrCJbVfniCr2ool8kTBzRTU=
-google.golang.org/api v0.43.0/go.mod h1:nQsDGjRXMo4lvh5hP0TKqF244gqhGcr/YSIykhUk/94=
-google.golang.org/api v0.44.0/go.mod h1:EBOGZqzyhtvMDoxwS97ctnh0zUmYY6CxqXsc1AvkYD8=
-google.golang.org/api v0.47.0/go.mod h1:Wbvgpq1HddcWVtzsVLyfLp8lDg6AA241LmgIL59tHXo=
-google.golang.org/api v0.48.0/go.mod h1:71Pr1vy+TAZRPkPs/xlCf5SsU8WjuAWv1Pfjbtukyy4=
-google.golang.org/api v0.50.0/go.mod h1:4bNT5pAuq5ji4SRZm+5QIkjny9JAyVD/3gaSihNefaw=
-google.golang.org/api v0.51.0/go.mod h1:t4HdrdoNgyN5cbEfm7Lum0lcLDLiise1F8qDKX00sOU=
-google.golang.org/api v0.54.0/go.mod h1:7C4bFFOvVDGXjfDTAsgGwDgAxRDeQ4X8NvUedIt6z3k=
-google.golang.org/api v0.56.0/go.mod h1:38yMfeP1kfjsl8isn0tliTjIb1rJXcQi4UXlbqivdVE=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
@ -635,7 +459,6 @@ google.golang.org/genproto v0.0.0-20200312145019-da6875a35672/go.mod h1:55QSHmfG
 google.golang.org/genproto v0.0.0-20200331122359-1ee6d9798940/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200430143042-b979b6f78d84/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200511104702-f5ebc3bea380/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
-google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200515170657-fc4c6c6a6587/go.mod h1:YsZOwe1myG/8QRHRsmBRE1LrgQY60beZKjly0O1fX9U=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
 google.golang.org/genproto v0.0.0-20200618031413-b414f8b61790/go.mod h1:jDfRM7FcilCzHH/e9qn6dsT145K34l5v+OpcnNgKAAA=
@ -647,23 +470,8 @@ google.golang.org/genproto v0.0.0-20201109203340-2640f1f9cdfb/go.mod h1:FWY/as6D
 google.golang.org/genproto v0.0.0-20201201144952-b05cb90ed32e/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20201210142538-e3217bee35cc/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20201214200347-8c77b98c765d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20210222152913-aa3ee6e6a81c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20210303154014-9728d6b83eeb/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20210310155132-4ce2db91004e/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
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-google.golang.org/genproto v0.0.0-20210828152312-66f60bf46e71/go.mod h1:eFjDcFEctNawg4eG61bRv87N7iHBWyVhJu7u1kqDUXY=
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 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
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 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
@ -677,19 +485,9 @@ google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3Iji
 google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
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 google.golang.org/grpc v1.31.1/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
 google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
 google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA51WJ8=
 google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
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 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
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@ -700,20 +498,14 @@ google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
-google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
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+gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b h1:QRR6H1YWRnHb4Y/HeNFCTJLFVxaq6wH4YuVdsUOr75U=
+gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
-gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
-gopkg.in/ini.v1 v1.63.2 h1:tGK/CyBg7SMzb60vP1M03vNZ3VDu3wGQJwn7Sxi9r3c=
-gopkg.in/ini.v1 v1.63.2/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/ini.v1 v1.66.4 h1:SsAcf+mM7mRZo2nJNGt8mZCjG8ZRaNGMURJw7BsIST4=
+gopkg.in/ini.v1 v1.66.4/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
--- a/internal/app/cmd/root.go
+++ b/internal/app/cmd/root.go
@ -1,132 +0,0 @@
-// Copyright © 2019 Peter Kurfer
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package cmd
-
-import (
-	"fmt"
-	"os"
-	"path/filepath"
-
-	"github.com/fsnotify/fsnotify"
-
-	"github.com/baez90/goveal/internal/app/rendering"
-
-	"github.com/mitchellh/go-homedir"
-	log "github.com/sirupsen/logrus"
-	"github.com/spf13/cobra"
-	"github.com/spf13/viper"
-)
-
-var (
-	cfgFile    string
-	workingDir string
-	rootCmd    = &cobra.Command{
-		Use:   "goveal",
-		Short: "goveal is a small reveal.js server",
-		Long: `goveal is a single static binary to host your reveal.js based markdown presentation.
-It is running a small web server that loads your markdown file, renders a complete HTML page and delivers it including all the reveal.js assets.
-It is not required to restart the server when you edit the markdown - a simple reload of the page is doing all the required magic.`,
-	}
-	params rendering.RevealParams
-)
-
-// Execute adds all child commands to the root command and sets flags appropriately.
-// This is called by main.main(). It only needs to happen once to the rootCmd.
-func Execute() {
-	if err := rootCmd.Execute(); err != nil {
-		fmt.Println(err)
-		os.Exit(1)
-	}
-}
-
-func init() {
-	cobra.OnInitialize(initLogging)
-	cobra.OnInitialize(initConfig)
-
-	var err error
-	workingDir, err = os.Getwd()
-	if err != nil {
-		fmt.Println(err)
-		os.Exit(1)
-	}
-
-	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.go-reveal-slides.yaml)")
-	rootCmd.PersistentFlags().StringVar(&workingDir, "working-dir", workingDir, "working directory to use")
-}
-
-func initLogging() {
-	log.SetFormatter(&log.TextFormatter{
-		ForceColors: true,
-	})
-}
-
-// initConfig reads in config file and ENV variables if set.
-func initConfig() {
-	var err error
-	if workingDir, err = filepath.Abs(workingDir); err != nil {
-		log.Warnf("Failed to determine absolute path for working dir %s: %v", workingDir, err)
-		return
-	}
-
-	var cwd string
-	if cwd, err = os.Getwd(); err != nil {
-		log.Warnf("Failed to determine current working directory")
-		return
-	}
-
-	if cwd != workingDir {
-		if err = os.Chdir(workingDir); err != nil {
-			log.Warnf("Failed to change working directory to %s", workingDir)
-		}
-	}
-
-	if cfgFile != "" {
-		// Use config file from the flag.
-		viper.SetConfigFile(cfgFile)
-	} else {
-		// Find home directory.
-		home, err := homedir.Dir()
-		if err != nil {
-			log.Infof("Failed to determine home directory: %v", err)
-		} else {
-			viper.AddConfigPath(home)
-		}
-
-		viper.AddConfigPath(workingDir)
-		viper.SetConfigName("goveal")
-		viper.SetConfigType("yaml")
-	}
-
-	viper.AutomaticEnv() // read in environment variables that match
-
-	// If a config file is found, read it in.
-	if err := viper.ReadInConfig(); err == nil {
-		log.Info("Using config file:", viper.ConfigFileUsed())
-
-		log.Info("Starting to watch config file...")
-		viper.WatchConfig()
-		viper.OnConfigChange(func(in fsnotify.Event) {
-			log.Info("Noticed configuration change...")
-			if err := params.Load(); err != nil {
-				log.Warnf("Failed to load config: %v", err)
-			}
-		})
-	}
-
-	params.WorkingDirectory = workingDir
-	if err := params.Load(); err != nil {
-		log.Warnf("Failed to load config: %v", err)
-	}
-}
--- a/internal/app/cmd/serve.go
+++ b/internal/app/cmd/serve.go
@ -1,94 +0,0 @@
-// Copyright © 2019 Peter Kurfer peter.kurfer@googlemail.com
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package cmd
-
-import (
-	"errors"
-	"fmt"
-	"net/http"
-	"os/exec"
-	"runtime"
-
-	"github.com/spf13/cobra"
-
-	"github.com/baez90/goveal/internal/app/server"
-
-	log "github.com/sirupsen/logrus"
-)
-
-var (
-	host        string
-	port        uint16
-	openBrowser bool
-	serveCmd    = &cobra.Command{
-		Use:   "serve",
-		Args:  cobra.ExactArgs(1),
-		Short: "",
-		Long:  ``,
-		RunE: func(cmd *cobra.Command, args []string) (err error) {
-			var srv *server.HTTPServer
-			srv, err = server.NewHTTPServer(server.Config{
-				Host:         host,
-				Port:         port,
-				MarkdownPath: args[0],
-				RevealParams: &params,
-			})
-
-			if err != nil {
-				log.Errorf("Error while setting up server: %v", err)
-				return
-			}
-
-			listenUrl := fmt.Sprintf("http://%s/", srv.ListenAddress())
-			log.Infof("Going to listen on %s", listenUrl)
-
-			if openBrowser {
-				log.Info("Opening browser...")
-				openBrowserInBackground(listenUrl)
-			}
-
-			if err = srv.Serve(); err != nil && !errors.Is(err, http.ErrServerClosed) {
-				log.Errorf("Error while running serve command: %v", err)
-			}
-			return nil
-		},
-	}
-)
-
-func init() {
-	rootCmd.AddCommand(serveCmd)
-
-	serveCmd.Flags().StringVar(&host, "host", "localhost", "host the CLI should listen on")
-	serveCmd.Flags().Uint16Var(&port, "port", 2233, "port the CLI should listen on")
-	serveCmd.Flags().BoolVar(&openBrowser, "open-browser", true, "if the browser should be opened at the URL")
-}
-
-func openBrowserInBackground(url string) {
-	var err error
-
-	switch runtime.GOOS {
-	case "linux":
-		err = exec.Command("xdg-open", url).Start()
-	case "windows":
-		err = exec.Command("rundll32", "url.dll,FileProtocolHandler", url).Start()
-	case "darwin":
-		err = exec.Command("open", url).Start()
-	default:
-		err = fmt.Errorf("unsupported platform")
-	}
-	if err != nil {
-		log.Warn(err)
-	}
-}
--- a/internal/app/rendering/reveal_params.go
+++ b/internal/app/rendering/reveal_params.go
@ -1,89 +0,0 @@
-// Copyright © 2019 Peter Kurfer peter.kurfer@googlemail.com
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package rendering
-
-import (
-	"path"
-	"path/filepath"
-
-	"github.com/bmatcuk/doublestar/v2"
-	"github.com/imdario/mergo"
-	"github.com/spf13/viper"
-
-	"github.com/baez90/goveal/internal/encoding"
-)
-
-var defaultParams = RevealParams{
-	Theme:                 "white",
-	CodeTheme:             "vs",
-	Transition:            "None",
-	NavigationMode:        "default",
-	HorizontalSeparator:   "===",
-	VerticalSeparator:     "---",
-	SlideNumberVisibility: "all",
-	SlideNumberFormat:     "h.v",
-	StyleSheets:           make([]string, 0),
-	FilesToMonitor:        make([]string, 0),
-}
-
-type RevealParams struct {
-	Theme                 string              `mapstructure:"theme"`
-	CodeTheme             string              `mapstructure:"codeTheme"`
-	Transition            string              `mapstructure:"transition"`
-	NavigationMode        string              `mapstructure:"navigationMode"`
-	HorizontalSeparator   string              `mapstructure:"horizontalSeparator"`
-	VerticalSeparator     string              `mapstructure:"verticalSeparator"`
-	SlideNumberVisibility string              `mapstructure:"slideNumberVisibility"`
-	SlideNumberFormat     string              `mapstructure:"slideNumberFormat"`
-	StyleSheets           []string            `mapstructure:"stylesheets"`
-	FilesToMonitor        []string            `mapstructure:"filesToMonitor"`
-	WorkingDirectory      string              `mapstructure:"working-dir"`
-	LineEnding            encoding.LineEnding `mapstructure:"-"`
-}
-
-func (params *RevealParams) Load() error {
-	_ = viper.Unmarshal(params)
-	expandGlobs(params)
-	return mergo.Merge(params, &defaultParams)
-}
-
-func expandGlobs(params *RevealParams) {
-	var allFiles []string
-
-	for _, f := range params.FilesToMonitor {
-		var err error
-
-		f, err = filepath.Abs(f)
-		if err != nil {
-			continue
-		}
-
-		var matches []string
-		if matches, err = doublestar.Glob(f); err != nil {
-			continue
-		}
-
-		for idx := range matches {
-			if relative, err := filepath.Rel(params.WorkingDirectory, matches[idx]); err != nil {
-				continue
-			} else {
-				matches[idx] = path.Join("/", relative)
-			}
-		}
-
-		allFiles = append(allFiles, matches...)
-	}
-	params.FilesToMonitor = allFiles
-}
--- a/internal/app/rendering/template.go
+++ b/internal/app/rendering/template.go
@ -1,70 +0,0 @@
-// Copyright © 2019 Peter Kurfer peter.kurfer@googlemail.com
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package rendering
-
-import (
-	"html/template"
-	"net/http"
-
-	"github.com/Masterminds/sprig/v3"
-	log "github.com/sirupsen/logrus"
-
-	"github.com/baez90/goveal/assets"
-)
-
-type RevealRenderer interface {
-	http.Handler
-	init() error
-}
-
-func NewRevealRenderer(params *RevealParams) (renderer RevealRenderer, err error) {
-	renderer = &revealRenderer{
-		params: params,
-	}
-	err = renderer.init()
-
-	return
-}
-
-type revealRenderer struct {
-	template *template.Template
-	params   *RevealParams
-}
-
-func (renderer *revealRenderer) init() (err error) {
-	renderer.template, err = template.New("index").Funcs(sprig.FuncMap()).Parse(string(assets.Template))
-	return
-}
-
-func (renderer *revealRenderer) ServeHTTP(response http.ResponseWriter, _ *http.Request) {
-	if renderer.template == nil {
-		writeErrorResponse(500, "rendering is not set - probably error during startup", response)
-		return
-	}
-
-	err := renderer.template.Execute(response, struct {
-		Reveal RevealParams
-	}{Reveal: *renderer.params})
-	if err != nil {
-		writeErrorResponse(500, "Failed to render Markdown to rendering", response)
-		log.Errorf("Failed to render Markdown rendering: %v", err)
-	}
-}
-
-func writeErrorResponse(code int, msg string, response http.ResponseWriter) {
-	response.WriteHeader(code)
-	_, err := response.Write([]byte(msg))
-	log.Errorf("Failed to write error reponse: %v", err)
-}
--- a/internal/app/routing/layered_fs.go
+++ b/internal/app/routing/layered_fs.go
@ -1,47 +0,0 @@
-package routing
-
-import (
-	"errors"
-	"net/http"
-	"sync"
-)
-
-var ErrFileNotFound = errors.New("file not found in any layer")
-
-func NewLayeredFileSystem(layers ...http.FileSystem) http.FileSystem {
-	return &layeredFileSystem{
-		resolveCache: make(map[string]http.FileSystem),
-		layers:       layers,
-	}
-}
-
-type layeredFileSystem struct {
-	layers       []http.FileSystem
-	resolveCache map[string]http.FileSystem
-	lock         sync.Mutex
-}
-
-func (l *layeredFileSystem) Open(name string) (f http.File, err error) {
-	if cachedLayer, isCached := l.resolveCache[name]; isCached {
-		if cachedLayer != nil {
-			return cachedLayer.Open(name)
-		} else {
-			return nil, ErrFileNotFound
-		}
-	}
-
-	for idx := range l.layers {
-		layer := l.layers[idx]
-		if f, err = layer.Open(name); err == nil {
-			l.lock.Lock()
-			l.resolveCache[name] = layer
-			l.lock.Unlock()
-			return
-		}
-	}
-
-	l.lock.Lock()
-	l.resolveCache[name] = nil
-	l.lock.Unlock()
-	return nil, ErrFileNotFound
-}
--- a/internal/app/routing/markdown_fs.go
+++ b/internal/app/routing/markdown_fs.go
@ -1,33 +0,0 @@
-package routing
-
-import (
-	"fmt"
-	"net/http"
-	"os"
-	"path/filepath"
-)
-
-type markdownFs struct {
-	destinationPath string
-}
-
-func NewMarkdownFS(path string) (fs http.FileSystem, err error) {
-	var info os.FileInfo
-	info, err = os.Stat(path)
-	if err != nil {
-		return
-	}
-
-	if info.IsDir() || filepath.Ext(info.Name()) != ".md" {
-		err = fmt.Errorf("path %s did not pass sanity checks for markdown files", path)
-		return
-	}
-
-	return &markdownFs{
-		destinationPath: path,
-	}, nil
-}
-
-func (m markdownFs) Open(_ string) (http.File, error) {
-	return os.Open(m.destinationPath)
-}
--- a/internal/app/routing/no_cache_handler.go
+++ b/internal/app/routing/no_cache_handler.go
@ -1,56 +0,0 @@
-package routing
-
-import (
-	"net/http"
-	"strings"
-	"time"
-)
-
-var epoch = time.Unix(0, 0).Format(time.RFC1123)
-
-var noCacheHeaders = map[string]string{
-	"Expires":         epoch,
-	"Cache-Control":   "no-cache, private, max-age=0",
-	"Pragma":          "no-cache",
-	"X-Accel-Expires": "0",
-}
-
-var etagHeaders = []string{
-	"ETag",
-	"If-Modified-Since",
-	"If-Match",
-	"If-None-Match",
-	"If-Range",
-	"If-Unmodified-Since",
-}
-
-func NoCache(h http.Handler, pathsToDisableCache []string) http.Handler {
-	pathLookup := make(map[string]bool)
-
-	for idx := range pathsToDisableCache {
-		pathLookup[strings.ToLower(pathsToDisableCache[idx])] = true
-	}
-
-	fn := func(w http.ResponseWriter, r *http.Request) {
-		if _, shouldBeHandled := pathLookup[strings.ToLower(r.URL.Path)]; !shouldBeHandled {
-			h.ServeHTTP(w, r)
-			return
-		}
-
-		// Delete any ETag headers that may have been set
-		for _, v := range etagHeaders {
-			if r.Header.Get(v) != "" {
-				r.Header.Del(v)
-			}
-		}
-
-		// Set our NoCache headers
-		for k, v := range noCacheHeaders {
-			w.Header().Set(k, v)
-		}
-
-		h.ServeHTTP(w, r)
-	}
-
-	return http.HandlerFunc(fn)
-}
--- a/internal/app/routing/regexp_router.go
+++ b/internal/app/routing/regexp_router.go
@ -1,38 +0,0 @@
-package routing
-
-import (
-	"net/http"
-	"regexp"
-)
-
-type regexpRule struct {
-	pattern *regexp.Regexp
-	handler http.Handler
-}
-
-type RegexpRouter struct {
-	rules []regexpRule
-}
-
-func (r *RegexpRouter) AddRule(pattern string, handler http.Handler) (err error) {
-	var exp *regexp.Regexp
-	if exp, err = regexp.Compile(pattern); err != nil {
-		return
-	}
-	r.rules = append(r.rules, regexpRule{
-		pattern: exp,
-		handler: handler,
-	})
-	return
-}
-
-func (r *RegexpRouter) ServeHTTP(writer http.ResponseWriter, request *http.Request) {
-	for idx := range r.rules {
-		rule := r.rules[idx]
-		if rule.pattern.MatchString(request.URL.Path) {
-			rule.handler.ServeHTTP(writer, request)
-			return
-		}
-	}
-	writer.WriteHeader(404)
-}
--- a/internal/app/server/hash_handler.go
+++ b/internal/app/server/hash_handler.go
@ -1,103 +0,0 @@
-package server
-
-import (
-	"crypto"
-	"encoding/hex"
-	"encoding/json"
-	"hash"
-	"io"
-	"net/http"
-	"regexp"
-	"strings"
-	"sync"
-
-	log "github.com/sirupsen/logrus"
-	"go.uber.org/multierr"
-)
-
-var (
-	pathMatcherRegexp = regexp.MustCompile(`(?i)^/hash/(md5|sha1|sha2)(/.*)`)
-	hashes            = map[string]crypto.Hash{
-		"md5":    crypto.MD5,
-		"sha1":   crypto.SHA1,
-		"sha256": crypto.SHA256,
-	}
-)
-
-type hashResponse struct {
-	FilePath string
-	Hash     string
-}
-
-func NewHashHandler(fs http.FileSystem) http.Handler {
-	return &hashHandler{
-		fs: fs,
-		bufferPool: &sync.Pool{
-			New: func() interface{} {
-				return make([]byte, 4096)
-			},
-		},
-	}
-}
-
-type hashHandler struct {
-	bufferPool *sync.Pool
-	fs         http.FileSystem
-}
-
-func (h hashHandler) ServeHTTP(writer http.ResponseWriter, request *http.Request) {
-	components := pathMatcherRegexp.FindStringSubmatch(request.URL.Path)
-	if len(components) != 3 {
-		writer.WriteHeader(400)
-		return
-	}
-
-	filePath := components[2]
-
-	var hashFound bool
-	var hashInstance crypto.Hash
-	if hashInstance, hashFound = hashes[strings.ToLower(components[1])]; !hashFound {
-		writer.WriteHeader(404)
-		return
-	}
-	var f http.File
-	var err error
-	if f, err = h.fs.Open(filePath); err != nil {
-		writer.WriteHeader(404)
-		return
-	}
-
-	var encodedHash string
-	if encodedHash, err = h.buildHash(hashInstance.New(), f); err != nil {
-		log.Errorf("Failed to calculate hash %v", err)
-		writer.WriteHeader(500)
-		return
-	}
-
-	resp := hashResponse{
-		FilePath: filePath,
-		Hash:     encodedHash,
-	}
-
-	writer.Header().Set("Content-Type", "application/json")
-	encoder := json.NewEncoder(writer)
-	if err = encoder.Encode(resp); err != nil {
-		writer.WriteHeader(500)
-		return
-	}
-}
-
-func (h *hashHandler) buildHash(hasher hash.Hash, src io.ReadCloser) (encodedHash string, err error) {
-	defer func() {
-		err = multierr.Append(err, src.Close())
-	}()
-
-	buffer := h.bufferPool.Get().([]byte)
-	for n, err := src.Read(buffer); n > 0 && err == nil; n, err = src.Read(buffer) {
-		if _, err := hasher.Write(buffer[:n]); err != nil {
-			return "", err
-		}
-	}
-	encodedHash = hex.EncodeToString(hasher.Sum(nil))
-	return
-}
--- a/internal/app/server/http_server.go
+++ b/internal/app/server/http_server.go
@ -1,118 +0,0 @@
-package server
-
-import (
-	"fmt"
-	"io/fs"
-	"net"
-	"net/http"
-	"os"
-
-	"github.com/baez90/goveal/assets"
-	"github.com/baez90/goveal/internal/app/rendering"
-	"github.com/baez90/goveal/internal/app/routing"
-	"github.com/baez90/goveal/internal/encoding"
-)
-
-const (
-	markdownFilePath = "/content.md"
-)
-
-type (
-	Config struct {
-		Host         string
-		Port         uint16
-		MarkdownPath string
-		RevealParams *rendering.RevealParams
-	}
-
-	HTTPServer struct {
-		listener net.Listener
-		handler  http.Handler
-	}
-)
-
-func (srv HTTPServer) Serve() error {
-	return http.Serve(srv.listener, srv.handler)
-}
-
-func (srv HTTPServer) ListenAddress() string {
-	return srv.listener.Addr().String()
-}
-
-func NewHTTPServer(config Config) (srv *HTTPServer, err error) {
-	noCacheFiles := append(config.RevealParams.FilesToMonitor, markdownFilePath)
-	if err := detectMarkdownFileEnding(config.MarkdownPath, config.RevealParams); err != nil {
-		return nil, err
-	}
-
-	router := &routing.RegexpRouter{}
-	var tmplRenderer rendering.RevealRenderer
-	if tmplRenderer, err = rendering.NewRevealRenderer(config.RevealParams); err != nil {
-		err = fmt.Errorf("failed to initialize reveal renderer %w", err)
-		return
-	}
-
-	// language=regexp
-	if err = router.AddRule(`^(/(index.html(l)?)?)?$`, tmplRenderer); err != nil {
-		return
-	}
-
-	var mdFS http.FileSystem
-	if mdFS, err = routing.NewMarkdownFS(config.MarkdownPath); err != nil {
-		err = fmt.Errorf("failed to initialize markdown file handler %w", err)
-		return
-	}
-
-	var revealFS, webFS fs.FS
-	if revealFS, err = fs.Sub(assets.Assets, "reveal"); err != nil {
-		return nil, err
-	}
-
-	if webFS, err = fs.Sub(assets.Assets, "web"); err != nil {
-		return nil, err
-	}
-
-	layeredFS := routing.NewLayeredFileSystem(http.FS(revealFS), http.FS(webFS), http.Dir("."), mdFS)
-
-	// language=regexp
-	if err = router.AddRule(`^(?i)/hash/(md5|sha1|sha2)/.*`, NewHashHandler(layeredFS)); err != nil {
-		return
-	}
-	// language=regexp
-	if err = router.AddRule("^/.*\\.md$", http.FileServer(mdFS)); err != nil {
-		return
-	}
-	// language=regexp
-	if err = router.AddRule("/.+", http.FileServer(layeredFS)); err != nil {
-		return
-	}
-
-	hostPort := fmt.Sprintf("%s:%d", config.Host, config.Port)
-
-	srv = &HTTPServer{
-		handler: routing.NoCache(router, noCacheFiles),
-	}
-
-	if srv.listener, err = net.Listen("tcp", hostPort); err != nil {
-		return
-	}
-
-	return
-}
-
-func detectMarkdownFileEnding(filePath string, params *rendering.RevealParams) error {
-	f, err := os.Open(filePath)
-	if err != nil {
-		return err
-	}
-	defer func() {
-		_ = f.Close()
-	}()
-
-	if le, err := encoding.Detect(f); err != nil {
-		return err
-	} else {
-		params.LineEnding = le
-	}
-	return nil
-}
--- a/internal/encoding/line_ending.go
+++ b/internal/encoding/line_ending.go
@ -1,44 +0,0 @@
-package encoding
-
-import (
-	"bufio"
-	"io"
-)
-
-const (
-	LineEndingUnknown LineEnding = ""
-	LineEndingWindows LineEnding = "\r\n"
-	LineEndingUnix    LineEnding = "\n"
-)
-
-type LineEnding string
-
-func (e LineEnding) String() string {
-	return string(e)
-}
-
-func (e LineEnding) Escaped() string {
-	switch e {
-	case LineEndingUnix:
-		return "\\n"
-	case LineEndingWindows:
-		return "\\r\\n"
-	default:
-		return ""
-	}
-}
-
-func Detect(reader io.Reader) (LineEnding, error) {
-	bufferedReader := bufio.NewReader(reader)
-	line, err := bufferedReader.ReadString(byte('\n'))
-	if err != nil {
-		return LineEndingUnknown, err
-	}
-
-	lineLength := len(line)
-	if lineLength <= 1 || line[lineLength-2:] != LineEndingWindows.String() {
-		return LineEndingUnix, nil
-	}
-
-	return LineEndingWindows, nil
-}
--- a/internal/encoding/line_ending_test.go
+++ b/internal/encoding/line_ending_test.go
@ -1,74 +0,0 @@
-package encoding_test
-
-import (
-	"io"
-	"strings"
-	"testing"
-
-	"github.com/baez90/goveal/internal/encoding"
-)
-
-func TestDetect(t *testing.T) {
-	type args struct {
-		reader io.Reader
-	}
-	tests := []struct {
-		name    string
-		args    args
-		want    encoding.LineEnding
-		wantErr bool
-	}{
-		{
-			name: "Empty file expect unknown",
-			args: args{
-				reader: strings.NewReader(""),
-			},
-			want:    encoding.LineEndingUnknown,
-			wantErr: true,
-		},
-		{
-			name: "File with only Unix line ending",
-			args: args{
-				reader: strings.NewReader("\n"),
-			},
-			want:    encoding.LineEndingUnix,
-			wantErr: false,
-		},
-		{
-			name: "File with only Windows line ending",
-			args: args{
-				reader: strings.NewReader("\r\n"),
-			},
-			want:    encoding.LineEndingWindows,
-			wantErr: false,
-		},
-		{
-			name: "File with multiple lines - Unix file ending",
-			args: args{
-				reader: strings.NewReader("Hello, World\nThis comes from Unix!\n"),
-			},
-			want:    encoding.LineEndingUnix,
-			wantErr: false,
-		},
-		{
-			name: "File with multiple lines - Windows file ending",
-			args: args{
-				reader: strings.NewReader("Hello, World\r\nThis comes from Windows!\r\n"),
-			},
-			want:    encoding.LineEndingWindows,
-			wantErr: false,
-		},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			got, err := encoding.Detect(tt.args.reader)
-			if (err != nil) != tt.wantErr {
-				t.Errorf("Detect() error = %v, wantErr %v", err, tt.wantErr)
-				return
-			}
-			if got != tt.want {
-				t.Errorf("Detect() got = %v, want %v", got, tt.want)
-			}
-		})
-	}
-}
--- a/rendering/emoji/emoji.go
+++ b/rendering/emoji/emoji.go
@ -0,0 +1,32 @@
+package emoji
+
+import (
+	_ "embed"
+	"encoding/json"
+)
+
+func isValidEmoji(input []byte) bool {
+	_, exists := emojiMap[string(input)]
+	return exists
+}
+
+var (
+	//go:embed emoji.json
+	emojiMapRaw []byte
+
+	emojiMap map[string]string
+)
+
+func init() {
+	rawMap := make(map[string][]string)
+	if err := json.Unmarshal(emojiMapRaw, &rawMap); err != nil {
+		panic(err)
+	}
+
+	emojiMap = make(map[string]string, len(rawMap))
+	for emoji, keywords := range rawMap {
+		for i := range keywords {
+			emojiMap[keywords[i]] = emoji
+		}
+	}
+}
--- a/rendering/emoji/emoji_parser.go
+++ b/rendering/emoji/emoji_parser.go
@ -0,0 +1,109 @@
+package emoji
+
+import (
+	"bytes"
+	"fmt"
+	"strconv"
+	"strings"
+	"unicode/utf8"
+
+	"github.com/gomarkdown/markdown/ast"
+)
+
+func NewEmojiParser() *EmojiParser {
+	return &EmojiParser{
+		seen: make(map[string]bool),
+	}
+}
+
+// Node is a node containing an emoji
+type Node struct {
+	ast.Leaf
+}
+
+type EmojiParser struct {
+	seen map[string]bool
+}
+
+func (p *EmojiParser) EmojiParser(data []byte) (parsedNode ast.Node, result []byte, newLength int) {
+	if p.seen[string(data)] {
+		// Already processed
+		return nil, nil, 0
+	}
+	if bytes.Contains(data, []byte("class=\"emoji\"")) {
+		// Already processed
+		return nil, nil, 0
+	}
+	dataLen := len(data)
+	if dataLen <= 1 {
+		// Not long enough to be an emoji
+		return nil, nil, 0
+	}
+	if bytes.IndexByte(data, ':') == -1 {
+		// No emoji delimiters
+		return nil, nil, 0
+	}
+	// Translate emojis to HTML
+	resData := make([]byte, 0)
+	startIndex := bytes.IndexByte(data, ':')
+	resData = append(resData, data[0:startIndex]...)
+	for {
+		if startIndex >= len(data) {
+			// Done
+			break
+		}
+		endIndex := bytes.IndexByte(data[startIndex+1:], ':') + startIndex + 1
+		if endIndex > startIndex {
+			name := string(data[startIndex+1 : endIndex])
+			if isValidEmoji([]byte(name)) {
+				startIndex = endIndex + 1
+				url := fmt.Sprintf(`<img class="emoji" src=%q alt=":%s:"></img>`, GenerateEmojiURL(name), name)
+				resData = append(resData, []byte(url)...)
+			} else {
+				resData = append(resData, data[startIndex:endIndex]...)
+				startIndex = endIndex
+			}
+			if startIndex == dataLen {
+				break
+			}
+		} else {
+			break
+		}
+	}
+	if startIndex < dataLen {
+		resData = append(resData, data[startIndex:]...)
+	}
+
+	if !bytes.Contains(resData, []byte("class=\"emoji\"")) {
+		// Processed with no changes
+		p.seen[string(resData)] = true
+	}
+
+	return &ast.Softbreak{}, resData, dataLen
+}
+
+func GenerateEmojiURL(emoji string) string {
+	code, exists := emojiMap[emoji]
+	if !exists {
+		return ""
+	}
+	res := ""
+	chars := utf8.RuneCountInString(code)
+	curChar := 1
+	for _, c := range code {
+		tmp := strings.Trim(strings.ToLower(strconv.QuoteRuneToASCII(c)), "'")
+		if tmp != `\ufe0f` || (chars > 2 && curChar == chars) {
+			// Valid character to add
+			if curChar > 1 {
+				res += "-"
+			}
+			if len(tmp) == 1 {
+				res += fmt.Sprintf("%x", []byte(tmp))
+			} else {
+				res += strings.TrimLeft(tmp[2:], "0")
+			}
+		}
+		curChar++
+	}
+	return fmt.Sprintf("https://twemoji.maxcdn.com/2/svg/%s.svg", res)
+}
--- a/rendering/html.go
+++ b/rendering/html.go
@ -0,0 +1,90 @@
+package rendering
+
+import (
+	"bytes"
+	"fmt"
+	"html/template"
+	"regexp"
+
+	"github.com/gomarkdown/markdown/parser"
+
+	"github.com/baez90/goveal/config"
+)
+
+const (
+	parserExtensions = parser.NoIntraEmphasis | parser.Tables | parser.FencedCode |
+		parser.Autolink | parser.Strikethrough | parser.SpaceHeadings | parser.HeadingIDs |
+		parser.BackslashLineBreak | parser.DefinitionLists | parser.MathJax | parser.Titleblock |
+		parser.OrderedListStart | parser.Attributes
+)
+
+func ToHTML(markdown string, renderCfg config.Rendering) (rendered []byte, err error) {
+	var slides []rawSlide
+	if slides, err = splitIntoRawSlides(markdown, renderCfg); err != nil {
+		return nil, err
+	}
+
+	buf := templateRenderBufferPool.Get().(*bytes.Buffer)
+	defer func() {
+		buf.Reset()
+		templateRenderBufferPool.Put(buf)
+	}()
+
+	for idx := range slides {
+		if rendered, err := slides[idx].ToHTML(); err != nil {
+			return nil, err
+		} else {
+			buf.WriteString(string(rendered))
+		}
+	}
+
+	return buf.Bytes(), nil
+}
+
+type rawSlide struct {
+	Content  string
+	Children []rawSlide
+}
+
+func (s rawSlide) HasNotes() bool {
+	return notesLineRegexp.MatchString(s.Content)
+}
+
+func (s rawSlide) ToHTML() (template.HTML, error) {
+	if rendered, err := renderTemplate("slide.gohtml", s); err != nil {
+		return "", err
+	} else {
+		//nolint:gosec // should not be sanitized
+		return template.HTML(rendered), nil
+	}
+}
+
+func splitIntoRawSlides(markdown string, renderCfg config.Rendering) ([]rawSlide, error) {
+	var (
+		verticalSplit, horizontalSplit *regexp.Regexp
+		err                            error
+	)
+	if verticalSplit, err = regexp.Compile(fmt.Sprintf(splitFormat, renderCfg.VerticalSeparator)); err != nil {
+		return nil, err
+	}
+
+	if horizontalSplit, err = regexp.Compile(fmt.Sprintf(splitFormat, renderCfg.HorizontalSeparator)); err != nil {
+		return nil, err
+	}
+
+	horizontalSlides := horizontalSplit.Split(markdown, -1)
+	slides := make([]rawSlide, 0, len(horizontalSlides))
+	for _, hs := range horizontalSlides {
+		s := rawSlide{
+			Content: hs,
+		}
+		verticalSlides := verticalSplit.Split(hs, -1)
+		s.Children = make([]rawSlide, 0, len(verticalSlides))
+		for _, vs := range verticalSlides {
+			s.Children = append(s.Children, rawSlide{Content: vs})
+		}
+		slides = append(slides, s)
+	}
+
+	return slides, nil
+}
--- a/rendering/patterns.go
+++ b/rendering/patterns.go
@ -0,0 +1,19 @@
+package rendering
+
+import (
+	"fmt"
+	"regexp"
+)
+
+const (
+	// language=regexp
+	notesRegex = `(?i)notes?:`
+	// language=regexp
+	splitFormat = `\r?\n%s\r?\n`
+)
+
+var (
+	htmlElementAttributesRegexp = regexp.MustCompile(`(?P<key>[a-z]+(-[a-z]+)*)="(?P<value>.+)"`)
+	notesRegexp                 = regexp.MustCompile(fmt.Sprintf(`^%s`, notesRegex))
+	notesLineRegexp             = regexp.MustCompile(fmt.Sprintf(`\r?\n%s\r?\n`, notesRegex))
+)
--- a/rendering/render_to_reveal.go
+++ b/rendering/render_to_reveal.go
@ -0,0 +1,171 @@
+package rendering
+
+import (
+	"bytes"
+	"encoding/hex"
+	"hash"
+	"html"
+	"html/template"
+	"io"
+	"path"
+
+	"github.com/gomarkdown/markdown/ast"
+)
+
+const (
+	mermaidCodeBlock = "mermaid"
+)
+
+type RevealRenderer struct {
+	Hash hash.Hash
+}
+
+func (r *RevealRenderer) RenderHook(w io.Writer, node ast.Node, entering bool) (ast.WalkStatus, bool) {
+	switch b := node.(type) {
+	case *ast.ListItem:
+		if entering {
+			return r.handleListItem(w, b)
+		}
+		return ast.GoToNext, false
+	case *ast.Text:
+		if !entering {
+			return ast.GoToNext, false
+		}
+		if notesRegexp.Match(b.Literal) {
+			_, err := w.Write([]byte(`<aside class="notes">`))
+			return ast.SkipChildren, err == nil
+		}
+		return ast.GoToNext, false
+	case *ast.CodeBlock:
+		if entering {
+			return r.handleCodeBlock(w, b)
+		}
+		return ast.GoToNext, false
+	case *ast.Image:
+		if entering {
+			return r.handleImage(w, b)
+		}
+		return ast.GoToNext, false
+	default:
+		return ast.GoToNext, false
+	}
+}
+
+func (r *RevealRenderer) handleCodeBlock(w io.Writer, code *ast.CodeBlock) (ast.WalkStatus, bool) {
+	code.Info = bytes.ToLower(code.Info)
+	switch string(code.Info) {
+	case mermaidCodeBlock:
+		output, err := renderCodeTemplate("mermaid.gohtml", code)
+		if err != nil {
+			return ast.GoToNext, false
+		}
+		_, err = w.Write(output)
+		return ast.GoToNext, err == nil
+	default:
+		output, err := renderCodeTemplate("any-code.gohtml", code)
+		if err != nil {
+			return ast.GoToNext, false
+		}
+		_, err = w.Write(output)
+		return ast.GoToNext, err == nil
+	}
+}
+
+func (r *RevealRenderer) handleListItem(w io.Writer, listItem *ast.ListItem) (ast.WalkStatus, bool) {
+	for _, child := range listItem.Children {
+		if p, ok := child.(*ast.Paragraph); ok {
+			if len(p.Children) == 0 {
+				return ast.GoToNext, false
+			}
+
+			data := map[string]interface{}{
+				"Attributes": getAttributesFromChildSpan(p),
+			}
+
+			if rendered, err := renderTemplate("listItem.gohtml", data); err != nil {
+				return ast.GoToNext, false
+			} else if _, err = w.Write(rendered); err != nil {
+				return ast.GoToNext, false
+			}
+
+			return ast.GoToNext, true
+		}
+	}
+	return ast.GoToNext, false
+}
+
+func (r *RevealRenderer) handleImage(w io.Writer, img *ast.Image) (ast.WalkStatus, bool) {
+	var title string
+	if len(img.Children) >= 1 {
+		if txt, ok := img.Children[0].(*ast.Text); ok {
+			title = string(txt.Literal)
+		}
+	}
+
+	data := map[string]interface{}{
+		"ID":              hex.EncodeToString(r.Hash.Sum([]byte(path.Base(string(img.Destination))))),
+		"Attributes":      getAttributesFromChildSpan(img.GetParent()),
+		"ImageSource":     string(img.Destination),
+		"AlternativeText": html.EscapeString(title),
+	}
+
+	if rendered, err := renderTemplate("image.gohtml", data); err != nil {
+		return ast.GoToNext, false
+	} else if _, err = w.Write(rendered); err != nil {
+		return ast.GoToNext, false
+	}
+
+	return ast.SkipChildren, true
+}
+
+func getAttributesFromChildSpan(node ast.Node) []template.HTMLAttr {
+	if getChildren, ok := node.(interface{ GetChildren() []ast.Node }); ok {
+		childs := getChildren.GetChildren()
+		if len(childs) == 0 {
+			return nil
+		}
+		for idx := range childs {
+			if span, ok := childs[idx].(*ast.HTMLSpan); ok {
+				return extractElementAttributes(span)
+			}
+		}
+	}
+	return nil
+}
+
+func extractElementAttributes(htmlSpan *ast.HTMLSpan) (attrs []template.HTMLAttr) {
+	const expectedNumberOfMatches = 4
+	htmlComment := string(htmlSpan.Literal)
+	if htmlComment == "" {
+		return nil
+	}
+	matches := htmlElementAttributesRegexp.FindAllStringSubmatch(htmlComment, -1)
+	attrs = make([]template.HTMLAttr, 0, len(matches))
+	for idx := range matches {
+		if len(matches[idx]) != expectedNumberOfMatches {
+			continue
+		}
+
+		//nolint:gosec // it's the user's responsibility to not skrew this up here
+		attrs = append(attrs, template.HTMLAttr(matches[idx][0]))
+	}
+
+	return attrs
+}
+
+func renderCodeTemplate(templateName string, codeBlock *ast.CodeBlock) (output []byte, err error) {
+	data := map[string]interface{}{
+		//nolint:gosec // need to embed the code in original format without escaping
+		"Code":        template.HTML(codeBlock.Literal),
+		"LineNumbers": lineNumbers(codeBlock.Attribute),
+	}
+
+	return renderTemplate(templateName, data)
+}
+
+func lineNumbers(attrs *ast.Attribute) string {
+	if attrs == nil || attrs.Attrs == nil {
+		return ""
+	}
+	return string(attrs.Attrs["line-numbers"])
+}
--- a/rendering/templates.go
+++ b/rendering/templates.go
@ -0,0 +1,66 @@
+package rendering
+
+import (
+	"bytes"
+	"embed"
+	"hash/fnv"
+	"html/template"
+	"sync"
+
+	"github.com/Masterminds/sprig/v3"
+	"github.com/gomarkdown/markdown"
+	mdhtml "github.com/gomarkdown/markdown/html"
+	"github.com/gomarkdown/markdown/parser"
+
+	"github.com/baez90/goveal/rendering/emoji"
+)
+
+var (
+	//go:embed templates/*.gohtml
+	templatesFS              embed.FS
+	templates                *template.Template
+	templateRenderBufferPool = &sync.Pool{
+		New: func() interface{} {
+			return new(bytes.Buffer)
+		},
+	}
+)
+
+func init() {
+	templates = template.New("rendering").
+		Funcs(sprig.FuncMap()).
+		Funcs(template.FuncMap{
+			"renderMarkdown": func(md string) template.HTML {
+				rr := &RevealRenderer{
+					Hash: fnv.New32a(),
+				}
+
+				emojis := emoji.NewEmojiParser()
+				mdParser := parser.NewWithExtensions(parserExtensions)
+				mdParser.Opts.ParserHook = emojis.EmojiParser
+				renderer := mdhtml.NewRenderer(mdhtml.RendererOptions{
+					Flags:          mdhtml.CommonFlags | mdhtml.HrefTargetBlank,
+					RenderNodeHook: rr.RenderHook,
+				})
+
+				renderedHTML := markdown.ToHTML([]byte(md), mdParser, renderer)
+				//nolint:gosec // template should be esacped
+				return template.HTML(renderedHTML)
+			},
+		})
+	var err error
+	if templates, err = templates.ParseFS(templatesFS, "templates/*.gohtml"); err != nil {
+		panic(err)
+	}
+}
+
+func renderTemplate(templateName string, data interface{}) (output []byte, err error) {
+	buffer := templateRenderBufferPool.Get().(*bytes.Buffer)
+	defer func() {
+		buffer.Reset()
+		templateRenderBufferPool.Put(buffer)
+	}()
+
+	err = templates.ExecuteTemplate(buffer, templateName, data)
+	return buffer.Bytes(), err
+}
--- a/rendering/templates/any-code.gohtml
+++ b/rendering/templates/any-code.gohtml
@ -0,0 +1,6 @@
+<pre><code
+        {{ if .LineNumbers }} data-line-numbers="{{ .LineNumbers }}" {{ end }}
+        data-trim
+        data-noescape>
+    {{- .Code }}
+</code></pre>
--- a/rendering/templates/image.gohtml
+++ b/rendering/templates/image.gohtml
@ -0,0 +1,8 @@
+<img
+        data-src="{{ .ImageSource }}"
+        alt="{{ .AlternativeText }}"
+        id="{{ .ID }}"
+        {{ range .Attributes }}
+        {{- . }}
+        {{ end }}
+/>
--- a/rendering/templates/listItem.gohtml
+++ b/rendering/templates/listItem.gohtml
@ -0,0 +1,5 @@
+<li
+        {{ range $key, $value := .Attributes }}
+            {{ $value }}
+        {{ end }}
+>
--- a/rendering/templates/mermaid.gohtml
+++ b/rendering/templates/mermaid.gohtml
@ -0,0 +1,3 @@
+<div class="mermaid">
+  {{- .Code -}}
+</div>
--- a/rendering/templates/slide.gohtml
+++ b/rendering/templates/slide.gohtml
@ -0,0 +1,12 @@
+<section>
+    {{ if .Children }}
+        {{ range .Children }}
+            {{ .ToHTML }}
+        {{ end }}
+    {{ else }}
+        {{ renderMarkdown .Content }}
+    {{ end }}
+    {{ if .HasNotes }}
+        </aside>
+    {{ end }}
+</section>
--- a/web/css/site.css
+++ b/web/css/site.css
@ -0,0 +1,7 @@
+img.emoji {
+    cursor: pointer;
+    height: 1em;
+    width: 1em;
+    margin: 0 .05em 0 .1em;
+    vertical-align: -0.1em;
+}
--- a/web/index.gohtml
+++ b/web/index.gohtml
@ -0,0 +1,37 @@
+<!doctype html>
+<html lang="en">
+
+<head>
+    <meta charset="utf-8">
+
+    <title>goveal</title>
+
+    <link rel="stylesheet" href="/css/site.css">
+    <link rel="stylesheet" href="/reveal/dist/reveal.css">
+    <link rel="stylesheet" href="/reveal/dist/reset.css">
+    <link rel="stylesheet" href="/reveal/dist/theme/{{ .Reveal.Theme }}.css" id="theme">
+
+    <link rel="stylesheet" href="/reveal/plugin/highlight/{{ .Reveal.CodeTheme }}.css">
+
+    {{ range .Rendering.Stylesheets}}
+        <link id="{{ fileId . }}" rel="stylesheet" href="/{{ . }}">
+    {{ end }}
+</head>
+
+<body>
+
+<div class="reveal">
+    <div id="content-root" class="slides">
+    </div>
+</div>
+
+<script src="/reveal/dist/reveal.js"></script>
+<script src="/reveal/plugin/highlight/highlight.js"></script>
+<script src="/reveal/plugin/notes/notes.js"></script>
+<script src="/reveal/plugin/menu/menu.js"></script>
+<script src="/mermaid/mermaid.min.js"></script>
+<script src="/js/app.js"></script>
+
+
+</body>
+</html>
--- a/web/js/app.js
+++ b/web/js/app.js
@ -0,0 +1,132 @@
+document.addEventListener("DOMContentLoaded", _ => {
+    Promise.all([initMermaid(), setSlidesContent()])
+        .then(() => {
+            return initReveal()
+        })
+        .then(() => {
+            subscribeToEvents()
+        })
+
+});
+
+async function setSlidesContent() {
+    let resp = await fetch("/slides")
+    let contentText = await resp.text()
+    let parser = new DOMParser()
+    let contentDocument = parser.parseFromString(contentText, 'text/html')
+    for (let mermaidElem of contentDocument.getElementsByClassName("mermaid")) {
+        let insertSVG = (svgCode, _) => {
+            mermaidElem.innerHTML = svgCode
+        }
+
+        mermaid.mermaidAPI.render('mermaid', mermaidElem.innerText, insertSVG)
+    }
+    document.getElementById("content-root").innerHTML = contentDocument.documentElement.innerHTML
+}
+
+async function getRevealConfig() {
+    let resp = await fetch('/api/v1/config/reveal')
+    return await resp.json()
+}
+
+async function initReveal() {
+    let cfg = await getRevealConfig()
+    Reveal.initialize({
+        controls: cfg.controls,
+        controlsLayout: cfg.controlsLayout,
+        progress: cfg.progress,
+        history: cfg.history,
+        center: cfg.center,
+        slideNumber: cfg.slideNumber,
+        transition: cfg.transition,
+        width: cfg.width,
+        height: cfg.height,
+        hash: true,
+        pdfSeparateFragments: false,
+        menu: {
+            numbers: cfg.menu.numbers,
+            useTextContentForMissingTitles: cfg.menu.useTextContentForMissingTitles,
+            transitions: cfg.menu.transitions,
+            hideMissingTitles: cfg.hideMissingTitles,
+            markers: cfg.menu.markers,
+            openButton: cfg.menu.openButton,
+            custom: [
+                {
+                    title: 'Print',
+                    icon: '<i class="fas fa-print"></i>',
+                    content: '<a href="/?print-pdf">Go to print view<a/>'
+                }
+            ],
+            themes: [
+                {name: 'Beige', theme: '/reveal/dist/theme/beige.css'},
+                {name: 'Black', theme: '/reveal/dist/theme/black.css'},
+                {name: 'Blood', theme: '/reveal/dist/theme/blood.css'},
+                {name: 'League', theme: '/reveal/dist/theme/league.css'},
+                {name: 'Moon', theme: '/reveal/dist/theme/moon.css'},
+                {name: 'Night', theme: '/reveal/dist/theme/night.css'},
+                {name: 'Serif', theme: '/reveal/dist/theme/serif.css'},
+                {name: 'Simple', theme: '/reveal/dist/theme/simple.css'},
+                {name: 'Sky', theme: '/reveal/dist/theme/sky.css'},
+                {name: 'Solarized', theme: '/reveal/dist/theme/solarized.css'},
+                {name: 'White', theme: '/reveal/dist/theme/white.css'}
+            ],
+        },
+        plugins: [RevealHighlight, RevealNotes, RevealMenu]
+    })
+}
+
+async function initMermaid() {
+    let resp = await fetch('/api/v1/config/mermaid')
+    let cfg = await resp.json()
+    mermaid.parseError = (err, hash) => {
+        console.error(`Failed to parse Mermaid diagraph: ${err} - ${hash}`)
+    }
+    mermaid.initialize({
+        startOnLoad: false,
+        theme: cfg.theme,
+        securityLevel: 'loose',
+    });
+}
+
+function subscribeToEvents() {
+    let eventSource = new EventSource("/api/v1/events");
+
+    eventSource.onopen = (() => {
+        console.debug("eventsource connection open");
+    })
+
+    eventSource.onerror = (ev => {
+        if (ev.target.readyState === 0) {
+            console.debug("reconnecting to eventsource");
+        } else {
+            console.error("eventsource error", ev);
+        }
+    })
+
+    eventSource.onmessage = (ev => {
+        let obj = JSON.parse(ev.data);
+        switch (true) {
+            case obj.forceReload:
+                eventSource.close()
+                window.location.reload()
+                break
+            case obj.reloadConfig:
+                getRevealConfig().then(cfg => {
+                    Reveal.configure(cfg)
+                })
+                break
+            default:
+                switch (true) {
+                    case obj.file.endsWith(".css"):
+                        let cssLink = document.querySelector(`link[rel=stylesheet][id="${obj.fileNameHash}"]`);
+                        cssLink.href = `${obj.file}?ts=${obj.ts}`
+                        break
+                    default:
+                        let elem = document.getElementById(obj.fileNameHash);
+                        if (elem !== null) {
+                            elem.src = `${obj.file}?ts=${obj.ts}`
+                        }
+                }
+        }
+    })
+}
--- a/web/web.go
+++ b/web/web.go
@ -0,0 +1,6 @@
+package web
+
+import "embed"
+
+//go:embed js/* css/* index.gohtml
+var WebFS embed.FS