docker

.dockerignore

@@ -0,0 +1,7 @@
+.git
+.gitignore
+.gitea
+README.md
+scripts
+node_modules
+*.log

.gitea/workflows/docker.yml

@@ -0,0 +1,33 @@
+name: Build and Push Docker
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ secrets.REGISTRY_HOST }}
+          username: ${{ secrets.REGISTRY_USERNAME }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: |
+            ${{ secrets.REGISTRY_HOST }}/${{ secrets.IMAGE_NAME }}:latest
+            ${{ secrets.REGISTRY_HOST }}/${{ secrets.IMAGE_NAME }}:${{ github.sha }}

Dockerfile

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+FROM nginx:1.27-alpine
+
+COPY ./index.html /usr/share/nginx/html/index.html
+COPY ./styles.css /usr/share/nginx/html/styles.css
+COPY ./app.js /usr/share/nginx/html/app.js
+
+EXPOSE 80

README.md

@@ -28,6 +28,20 @@ Open `index.html` directly in your browser, or use the optional local server scr
 ./scripts/smoke.ps1
 ```
 
+## Docker build & push (Gitea Actions)
+This repo includes a Gitea Actions workflow in `.gitea/workflows/docker.yml`.
+
+### Required secrets
+Set these in your Gitea repo secrets:
+- `REGISTRY_HOST` (e.g. `dock.ptslondon.co.uk`)
+- `REGISTRY_USERNAME`
+- `REGISTRY_PASSWORD`
+- `IMAGE_NAME` (e.g. `team/tiles`)
+
+The workflow builds and pushes:
+- `${REGISTRY_HOST}/${IMAGE_NAME}:latest`
+- `${REGISTRY_HOST}/${IMAGE_NAME}:${GITHUB_SHA}`
+
 ## Pattern JSON format
 ```json
 {