Adding Docker Bake to ease multi-stage/multi-platform builds #19
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| --- | |
| name: Docker Image | |
| on: | |
| push: | |
| # tags: [ '*.*.*' ] | |
| env: | |
| REGISTRY_IMAGE: ghcr.io/rgrizzell/circuitpython | |
| jobs: | |
| prepare: | |
| runs-on: ubuntu-latest | |
| outputs: | |
| matrix: ${{ steps.platforms.outputs.matrix }} | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| - name: Create matrix | |
| id: platforms | |
| run: | | |
| echo "matrix=$(docker buildx bake runtime --print | jq -cr '.target."runtime".platforms')" >>${GITHUB_OUTPUT} | |
| - name: Show matrix | |
| run: | | |
| echo ${{ steps.platforms.outputs.matrix }} | |
| - name: Docker meta | |
| id: meta | |
| uses: docker/metadata-action@v5 | |
| with: | |
| images: ${{ env.REGISTRY_IMAGE }} | |
| - name: Rename meta bake definition file | |
| run: | | |
| mv "${{ steps.meta.outputs.bake-file }}" "/tmp/bake-meta.json" | |
| mv "${{ steps.meta.outputs.bake-file-annotations }}" "/tmp/bake-annotations.json" | |
| - name: Upload meta bake definition | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: bake-meta | |
| path: /tmp/bake-*.json | |
| if-no-files-found: error | |
| retention-days: 1 | |
| build: | |
| runs-on: ubuntu-latest | |
| needs: | |
| - prepare | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| platform: ${{ fromJson(needs.prepare.outputs.matrix) }} | |
| steps: | |
| - name: Prepare | |
| run: | | |
| platform=${{ matrix.platform }} | |
| echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| - name: Download meta bake definition | |
| uses: actions/download-artifact@v4 | |
| with: | |
| name: bake-meta | |
| path: /tmp | |
| - name: Login to GitHub Container Registry | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ghcr.io | |
| username: ${{ github.repository_owner }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Set up QEMU | |
| uses: docker/setup-qemu-action@v3 | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Build | |
| id: bake | |
| uses: docker/bake-action@v5 | |
| with: | |
| files: | | |
| ./docker-bake.hcl | |
| /tmp/bake-meta.json | |
| /tmp/bake-annotations.json | |
| targets: image | |
| set: | | |
| *.tags= | |
| *.platform=${{ matrix.platform }} | |
| *.output=type=image,"name=${{ env.REGISTRY_IMAGE }}",push-by-digest=true,name-canonical=true,push=true | |
| - name: Export digest | |
| run: | | |
| mkdir -p /tmp/digests | |
| digest="${{ fromJSON(steps.bake.outputs.metadata).image['containerimage.digest'] }}" | |
| touch "/tmp/digests/${digest#sha256:}" | |
| - name: Upload digest | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: digests-${{ env.PLATFORM_PAIR }} | |
| path: /tmp/digests/* | |
| if-no-files-found: error | |
| retention-days: 1 | |
| merge: | |
| runs-on: ubuntu-latest | |
| needs: | |
| - build | |
| steps: | |
| - name: Download meta bake definition | |
| uses: actions/download-artifact@v4 | |
| with: | |
| name: bake-meta | |
| path: /tmp | |
| - name: Download digests | |
| uses: actions/download-artifact@v4 | |
| with: | |
| path: /tmp/digests | |
| pattern: digests-* | |
| merge-multiple: true | |
| - name: Login to GitHub Container Registry | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ghcr.io | |
| username: ${{ github.repository_owner }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Create manifest list and push | |
| working-directory: /tmp/digests | |
| run: | | |
| docker buildx imagetools create $(jq -cr '.target."docker-metadata-action".tags | map(select(startswith("${{ env.REGISTRY_IMAGE }}")) | "-t " + .) | join(" ")' /tmp/bake-meta.json) \ | |
| $(printf '${{ env.REGISTRY_IMAGE }}@sha256:%s ' *) | |
| - name: Inspect image | |
| run: | | |
| docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:$(jq -r '.target."docker-metadata-action".args.DOCKER_META_VERSION' /tmp/bake-meta.json) |