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| name: Build and Push Containers | |
| on: | |
| push: | |
| branches: | |
| - main | |
| paths: | |
| - '*/Dockerfile' | |
| - '*/Dockerfile.*' | |
| - '.github/workflows/build-and-push.yaml' | |
| pull_request: | |
| branches: | |
| - main | |
| paths: | |
| - '*/Dockerfile' | |
| - '*/Dockerfile.*' | |
| workflow_dispatch: | |
| inputs: | |
| container: | |
| description: 'Container name to build (leave empty to build all changed)' | |
| required: false | |
| type: string | |
| env: | |
| REGISTRY: ghcr.io | |
| REGISTRY_OWNER: ${{ github.repository_owner }} | |
| jobs: | |
| detect-changes: | |
| runs-on: ubuntu-latest | |
| outputs: | |
| containers: ${{ steps.detect.outputs.containers }} | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 2 | |
| - name: Detect changed containers | |
| id: detect | |
| run: | | |
| if [ -n "${{ inputs.container }}" ]; then | |
| # Manual trigger with specific container | |
| CONTAINERS='["${{ inputs.container }}"]' | |
| else | |
| # Find directories with changed Dockerfiles | |
| CHANGED=$(git diff --name-only HEAD~1 HEAD -- '*/Dockerfile' '*/Dockerfile.*' 2>/dev/null \ | |
| | awk -F'/' '{print $1}' \ | |
| | sort -u \ | |
| | jq -R . | jq -sc .) | |
| if [ "$CHANGED" = "[]" ] || [ -z "$CHANGED" ]; then | |
| # Fallback: build all containers (e.g. workflow file changed) | |
| CONTAINERS=$(find . -maxdepth 2 -name 'Dockerfile' -o -name 'Dockerfile.*' \ | |
| | awk -F'/' '{print $2}' \ | |
| | sort -u \ | |
| | jq -R . | jq -sc .) | |
| else | |
| CONTAINERS="$CHANGED" | |
| fi | |
| fi | |
| echo "containers=$CONTAINERS" >> "$GITHUB_OUTPUT" | |
| echo "Will build: $CONTAINERS" | |
| build-and-push: | |
| runs-on: ubuntu-latest | |
| needs: detect-changes | |
| if: needs.detect-changes.outputs.containers != '[]' | |
| permissions: | |
| contents: read | |
| packages: write | |
| strategy: | |
| matrix: | |
| container: ${{ fromJson(needs.detect-changes.outputs.containers) }} | |
| fail-fast: false | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| - name: Set up QEMU | |
| uses: docker/setup-qemu-action@v3 | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Log in to GitHub Container Registry | |
| if: github.event_name != 'pull_request' | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ${{ env.REGISTRY }} | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Extract metadata | |
| id: meta | |
| uses: docker/metadata-action@v5 | |
| with: | |
| images: ${{ env.REGISTRY }}/${{ env.REGISTRY_OWNER }}/${{ matrix.container }} | |
| tags: | | |
| type=ref,event=branch | |
| type=ref,event=pr | |
| type=semver,pattern={{version}} | |
| type=semver,pattern={{major}}.{{minor}} | |
| type=sha,prefix=sha- | |
| type=raw,value=latest,enable={{is_default_branch}} | |
| - name: Build and push | |
| uses: docker/build-push-action@v6 | |
| with: | |
| context: ${{ matrix.container }} | |
| platforms: linux/amd64,linux/arm64 | |
| push: ${{ github.event_name != 'pull_request' }} | |
| tags: ${{ steps.meta.outputs.tags }} | |
| labels: ${{ steps.meta.outputs.labels }} | |
| cache-from: type=gha,scope=${{ matrix.container }} | |
| cache-to: type=gha,mode=max,scope=${{ matrix.container }} |