ci: Extract description from Dockerfile #5
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| name: Publish Docker images | |
| on: | |
| push: | |
| branches: | |
| - 'main' | |
| - 'master' | |
| - 'feat/**' | |
| tags: | |
| - '*.*.*' | |
| paths: | |
| - '.dockerignore' | |
| - '.env.example' | |
| - '.github/workflows/**' | |
| - '**.bat' | |
| - '**.ps1' | |
| - '**.py' | |
| - '**.sh' | |
| - 'bin/**' | |
| - 'config/**' | |
| - 'Dockerfile*' | |
| - 'musicbot.service' | |
| - 'musicbot/**' | |
| - 'musicbotcmd' | |
| - 'poetry.lock' | |
| - 'pyproject.toml' | |
| - 'requirements.txt' | |
| workflow_dispatch: | |
| env: | |
| REGISTRY_URL: ${{ vars.REGISTRY_URL }} | |
| REGISTRY_USER: ${{ vars.REGISTRY_USER }} | |
| REGISTRY_PASS: ${{ secrets.REGISTRY_PASS }} | |
| jobs: | |
| push_to_registry: | |
| name: Push Docker image to container registry | |
| runs-on: ubuntu-latest | |
| strategy: | |
| matrix: | |
| dockerfile: [Dockerfile] | |
| concurrency: | |
| group: ${{ github.workflow }}-${{ matrix.dockerfile }}-${{ github.ref }} | |
| cancel-in-progress: true | |
| permissions: | |
| packages: write | |
| contents: read | |
| actions: read | |
| steps: | |
| - name: Check out the repo | |
| uses: actions/checkout@v4 | |
| - name: Log into container registry | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ${{ env.REGISTRY_URL }} | |
| username: ${{ env.REGISTRY_URL == 'ghcr.io' && github.repository_owner || env.REGISTRY_USER }} | |
| password: ${{ env.REGISTRY_URL == 'ghcr.io' && secrets.GITHUB_TOKEN || env.REGISTRY_PASS }} | |
| - name: Extract image name from Dockerfile | |
| id: image_name | |
| run: | | |
| IMAGE=$(grep "LABEL org.opencontainers.image.title" ${{ matrix.dockerfile }} | cut -d'"' -f2) | |
| echo "IMAGE=$IMAGE" >> $GITHUB_OUTPUT | |
| - name: Extract metadata (tags, labels) for Docker | |
| id: meta | |
| uses: docker/metadata-action@v5 | |
| with: | |
| images: | | |
| ${{ env.REGISTRY_URL }}/${{ env.REGISTRY_URL == 'ghcr.io' && github.repository_owner || env.REGISTRY_USER }}/${{ steps.image_name.outputs.IMAGE }} | |
| tags: | | |
| type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master' }} | |
| type=ref,event=branch | |
| type=semver,pattern={{version}} | |
| flavor: | | |
| latest=false | |
| - name: Set up QEMU | |
| uses: docker/setup-qemu-action@v3 | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Extract description from Dockerfile | |
| id: dockerfile_description | |
| run: | | |
| DESCRIPTION=$(grep "LABEL org.opencontainers.image.description" ${{ matrix.dockerfile }} | cut -d'"' -f2 || echo "") | |
| if [ -z "$DESCRIPTION" ]; then | |
| DESCRIPTION="No description provided" | |
| echo "Warning: No description found in Dockerfile. Using default." >&2 | |
| fi | |
| echo "DESCRIPTION=$DESCRIPTION" >> $GITHUB_OUTPUT | |
| - name: Build and push Docker image | |
| uses: docker/build-push-action@v6 | |
| with: | |
| context: . | |
| file: ./${{ matrix.dockerfile }} | |
| push: true | |
| tags: ${{ steps.meta.outputs.tags }} | |
| labels: ${{ steps.meta.outputs.labels }} | |
| platforms: linux/amd64,linux/arm64/v8 | |
| cache-from: type=registry,ref=${{ steps.meta.outputs.tags }} | |
| cache-to: type=registry,ref=${{ steps.meta.outputs.tags }},mode=max | |
| annotations: | | |
| org.opencontainers.image.description=${{ steps.dockerfile_description.outputs.DESCRIPTION }} |