chore(ci): prepare deployment

.drone.yml

@@ -17,4 +17,26 @@ steps:
     environment:
       GITEA_USER: prskr
       GITEA_TOKEN:
-        from_secret: gitea_token
+        from_secret: gitea_token
+
+  - name: Deploy docs
+    image: code.icb4dc0.de/prskr/ci-images/kustomize:latest
+    network_mode: host
+    commands:
+      - cd deploy/k8s
+      - kustomize edit set image buildr-docs=code.icb4dc0.de/buildr/docs:$DRONE_COMMIT_SHA
+      - kubectl config set-cluster hetzner --server=$K8S_API_URL --insecure-skip-tls-verify=true
+      - kubectl config set-credentials drone-deploy --token=$K8S_TOKEN
+      - kubectl config set-context hetzner --user=drone-deploy --namespace=buildr --cluster hetzner
+      - kubectl config use-context hetzner
+      - kubectl apply -k .
+    environment:
+      K8S_TOKEN:
+        from_secret: k8s_token
+      K8S_API_URL:
+        from_secret: k8s_api_url
+    when:
+      ref:
+        include:
+          - refs/tags/**
+          - refs/heads/main