feat: make shell customizable

hetzner-cloud/cloud-config.yaml.tftpl

@@ -3,7 +3,7 @@ users:
   - name: ${username}
     sudo: ["ALL=(ALL) NOPASSWD:ALL"]
     groups: sudo
-    shell: /bin/bash
+    shell: ${user_shell}
 packages:
   - zsh
   - git

hetzner-cloud/main.tf

@@ -53,7 +53,14 @@ data "coder_parameter" "dotfiles_uri" {
   see https://dotfiles.github.io
   EOF
 
-  default      = ""
+  default = ""
+  mutable = true
+}
+
+data "coder_parameter" "user_shell" {
+  name         = "user_shell"
+  display_name = "Default Shell"
+  default      = "/usr/bin/zsh"
   mutable      = true
 }
 
@@ -268,7 +275,7 @@ resource "coder_agent" "dev" {
   startup_script = data.coder_parameter.dotfiles_uri.value != "" ? "coder dotfiles -y ${data.coder_parameter.dotfiles_uri.value}" : null
 
   env = {
-    DOCKER_HOST= data.coder_parameter.install_podman.value == "true" ? "unix:///run/user/1000/podman/podman.sock" : "unix:///var/run/docker.sock"
+    DOCKER_HOST = data.coder_parameter.install_podman.value == "true" ? "unix:///run/user/1000/podman/podman.sock" : "unix:///var/run/docker.sock"
   }
 }
 
@@ -311,6 +318,7 @@ resource "hcloud_server" "root" {
     install_dotnet_setup    = data.coder_parameter.install_dotnet.value
     install_podman_setup    = data.coder_parameter.install_podman.value
     install_terraform_setup = data.coder_parameter.install_terraform.value
+    user_shell              = data.coder_parameter.user_shell.value
   })
 
   dynamic "network" {