ci: Push headless server image

.github/workflows/publish-docker.yml

@@ -0,0 +1,35 @@
+name: Publish Docker Images
+on:
+  push:
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Determine Version and Build Number
+        id: version
+        run: |
+          echo "BUILD_NUM=${{ github.run_number }}" >> $GITHUB_ENV
+          if [ "${{ github.ref_type }}" == "tag" ]; then
+            echo "VERSION=${{ github.ref_name }}.${{ github.run_number }}" >> $GITHUB_ENV
+          else
+            echo "VERSION=latest" >> $GITHUB_ENV
+          fi
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_API_KEY }}
+
+      - name: Build and Push Web Image
+        run: |
+          docker build \
+            --build-arg VERSION=${{ env.VERSION }} \
+            --build-arg BUILD_NUM=${{ env.BUILD_NUM }} \
+            -t ${{ secrets.DOCKER_USERNAME }}/alpinezen-wallpaper:headless-${{ env.VERSION }} \
+            .
+          docker push ${{ secrets.DOCKER_USERNAME }}/alpinezen-wallpaper:headless-${{ env.VERSION }}

Dockerfile

@@ -1,6 +1,12 @@
 # Builder stage
 FROM golang:1.22.3-alpine as builder
 
+ARG VERSION=latest
+ENV APP_VERSION=$VERSION
+
+ARG BUILD_NUM=0
+ENV APP_BUILD_NUM=$BUILD_NUM
+
 WORKDIR /app
 
 COPY go.mod go.sum ./
@@ -25,7 +31,6 @@ RUN mkdir -p /srv/latest_wallpaper
 
 RUN ln -sf /root/.alpinezen_wallpaper/latest.jpg /srv/latest_wallpaper/latest.jpg
 
-# Make the script executable
 RUN chmod +x /app/entrypoint.sh
 
 EXPOSE 80

docker/entrypoint.sh

@@ -3,7 +3,7 @@
 # Start CLI in the background
 ./cli --loglevel 3 --clock-disable --runtime-headless "$@" &
 
-# Create config
+# Config
 cat <<EOF > /tmp/Caddyfile
 :80 {
     root * /srv/latest_wallpaper