Build multi-arch images natively instead of with QEMU #10
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| name: release-image | |
| on: | |
| push: | |
| branches: | |
| - main | |
| paths: | |
| - .github/workflows/release-image.yml | |
| - image/** | |
| jobs: | |
| build: | |
| strategy: | |
| matrix: | |
| include: | |
| - platform: linux/amd64 | |
| runner: ubuntu-latest | |
| - platform: linux/arm64 | |
| runner: ubuntu-24.04-arm | |
| runs-on: ${{ matrix.runner }} | |
| permissions: | |
| contents: read | |
| packages: write | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| - name: Log in to GitHub Container Registry | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ghcr.io | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Docker metadata | |
| id: meta | |
| uses: docker/metadata-action@v5 | |
| with: | |
| images: ghcr.io/${{ github.repository_owner }}/devcontainer | |
| - name: Build and push by digest | |
| id: build | |
| uses: docker/build-push-action@v6 | |
| with: | |
| context: ./image | |
| platforms: ${{ matrix.platform }} | |
| labels: ${{ steps.meta.outputs.labels }} | |
| outputs: type=image,name=ghcr.io/${{ github.repository_owner }}/devcontainer,push-by-digest=true,name-canonical=true,push=true | |
| cache-from: type=gha,scope=${{ matrix.platform }} | |
| cache-to: type=gha,mode=max,scope=${{ matrix.platform }} | |
| - name: Export digest | |
| run: | | |
| mkdir -p ${{ runner.temp }}/digests | |
| digest="${{ steps.build.outputs.digest }}" | |
| touch "${{ runner.temp }}/digests/${digest#sha256:}" | |
| - name: Upload digest | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: digests-${{ matrix.runner }} | |
| path: ${{ runner.temp }}/digests/* | |
| if-no-files-found: error | |
| retention-days: 1 | |
| merge: | |
| runs-on: ubuntu-latest | |
| needs: build | |
| permissions: | |
| contents: read | |
| packages: write | |
| steps: | |
| - name: Download digests | |
| uses: actions/download-artifact@v4 | |
| with: | |
| path: ${{ runner.temp }}/digests | |
| pattern: digests-* | |
| merge-multiple: true | |
| - name: Log in to GitHub Container Registry | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ghcr.io | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Create and push manifest | |
| working-directory: ${{ runner.temp }}/digests | |
| run: | | |
| docker buildx imagetools create \ | |
| -t ghcr.io/${{ github.repository_owner }}/devcontainer:latest \ | |
| -t ghcr.io/${{ github.repository_owner }}/devcontainer:${{ github.sha }} \ | |
| $(printf 'ghcr.io/${{ github.repository_owner }}/devcontainer@sha256:%s ' *) |