Create docker-publish.yml

.github/workflows/docker-publish.yml

@@ -0,0 +1,52 @@
+name: Docker image build
+
+on:
+  push:
+    branches: [ "main" ]
+    # Publish semver tags as releases.
+    tags: [ 'v*.*.*' ]
+    paths:
+      - '**.php'
+      - './composer.*'
+      - './config/*'
+      - './.github/*'
+  pull_request:
+    branches: [ "main" ]
+
+env:
+    COMPOSER_AUTH: "{ \"github-oauth\": {\"github.com\": \"${{ secrets.HVG_DEV_GH_TOKEN }}\"}}"
+    
+jobs:
+  pack-example:
+    name: Pack example!
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+    - uses: andrioid/setup-pack@latest
+    - name: Docker registry login
+      uses: docker/login-action@v1
+      with:
+        registry: ghcr.io/hvg
+        username: hvg-dev
+        password: ${{ secrets.HVG_DEV_GH_TOKEN }}
+    - name: Set build environment
+      run: |
+        year=$(date +%Y);
+        month=$(date +%m);
+        ref="${GITHUB_REF#refs/*/}";
+        echo "REF=$ref" >> $GITHUB_ENV;
+        tag="${GITHUB_REF#tags/*/}";
+        [[ $tag == '' ]] || tag="${year}.${month}.${{ github.run_number }}";
+        echo "TAG=$tag" >> $GITHUB_ENV;
+    - name: Build Image with pack
+      run: |
+        pack build ghcr.io/hvg/blog:$TAG \
+        --builder heroku/builder-classic:22 \
+        --descriptor project.toml \
+        --workspace /app \
+        --env COMPOSER_AUTH=$COMPOSER_AUTH;
+    - name: Tag Docker image to ref
+      run: |
+        docker tag ghcr.io/hvg/blog:$TAG ghcr.io/hvg/blog:$REF
+