diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml new file mode 100644 index 00000000..4d932aef --- /dev/null +++ b/.github/workflows/docker.yml @@ -0,0 +1,90 @@ +name: docker +on: + push: + branches: + - 'master' + tags: + - 'v*.*.*' + pull_request: + types: + - opened + - synchronize + workflow_dispatch: + inputs: + use_cache: + description: "Use build cache" + required: true + type: boolean + default: true + +env: + REGISTRY: ghcr.io + # ghrc.io/OWNER/REPO + IMAGE_NAME: ${{ github.repository }} + +jobs: + build: + runs-on: ubuntu-latest + permissions: + contents: read + packages: write + id-token: write + attestations: write + + steps: + - name: Checkout repository + uses: actions/checkout@v4 + + - name: Set up QEMU + uses: docker/setup-qemu-action@v3 + + # Workaround: https://github.com/docker/build-push-action/issues/461 + - name: Setup Docker buildx + uses: docker/setup-buildx-action@v3 + + # Login against a Docker registry except on PR + # https://github.com/docker/login-action + - name: Log into registry ${{ env.REGISTRY }} + if: github.event_name != 'pull_request' + uses: docker/login-action@v3 + with: + registry: ${{ env.REGISTRY }} + username: ${{ github.actor }} + password: ${{ secrets.GITHUB_TOKEN }} + + # Extract metadata (tags, labels) for Docker + # For some reason the title have to be set manually + # https://github.com/docker/metadata-action + - name: Extract Docker metadata + id: meta + uses: docker/metadata-action@v5 + with: + images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} + labels: | + org.opencontainers.image.title=Oxipng + + # Build and push Docker image with Buildx (don't push on PR) + # Cache isn't used for tags and on workflow_dispatch if specified + # https://github.com/docker/build-push-action + - name: Build and push Docker image + id: build-and-push + uses: docker/build-push-action@v6 + with: + context: . + 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 + cache-to: type=gha,mode=max + no-cache: ${{ (github.event_name == 'workflow_dispatch' && !inputs.use_cache) || startsWith(github.ref, 'refs/tags/') }} + + # Attest the build provenance + # TODO: enable push to registry when referrers API will be supported by ghcr.io + - name: Attest Build Provenance + if: github.event_name != 'pull_request' + uses: actions/attest-build-provenance@v1 + with: + subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} + subject-digest: ${{ steps.build-and-push.outputs.digest }} + push-to-registry: false \ No newline at end of file