feat: creating multi-platform nginx distroless image #1
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| name: ci | |
| on: | |
| push: | |
| branches: | |
| - main | |
| pull_request: | |
| branches: | |
| - main | |
| env: | |
| IMAGE_NAME: jbeveridge/nginx-distroless | |
| NGINX_VERSION: 1.27.1 | |
| jobs: | |
| build: | |
| runs-on: ubuntu-latest | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| platform: | |
| - linux/amd64 | |
| - linux/arm64 | |
| - linux/arm/v7 | |
| - linux/ppc64le | |
| - linux/s390x | |
| steps: | |
| - name: Checkout code | |
| uses: actions/checkout@v4 | |
| - name: Prepare | |
| run: | | |
| platform=${{ matrix.platform }} | |
| echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV | |
| - name: Set up QEMU | |
| uses: docker/setup-qemu-action@v3 | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Login to Docker Hub | |
| uses: docker/login-action@v3 | |
| with: | |
| username: ${{ secrets.DOCKERHUB_USERNAME }} | |
| password: ${{ secrets.DOCKERHUB_TOKEN }} | |
| - name: Extract metadata | |
| id: meta | |
| uses: docker/metadata-action@v5 | |
| with: | |
| images: ${{ env.IMAGE_NAME }} | |
| tags: | | |
| type=raw,value=latest | |
| type=raw,value=${{ env.NGINX_VERSION }} | |
| - name: Build and push by digest | |
| id: build | |
| uses: docker/build-push-action@v6 | |
| with: | |
| context: . | |
| platforms: ${{ matrix.platform }} | |
| sbom: true | |
| provenance: mode=max | |
| push: ${{ github.event_name != 'pull_request' }} | |
| labels: ${{ steps.meta.outputs.labels }} | |
| outputs: type=image,name=${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true | |
| - name: Export digest | |
| run: | | |
| mkdir -p /tmp/digests | |
| digest="${{ steps.build.outputs.digest }}" | |
| touch "/tmp/digests/${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: | |
| if: github.event_name != 'pull_request' | |
| needs: build | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Download digests | |
| uses: actions/download-artifact@v4 | |
| with: | |
| path: /tmp/digests | |
| pattern: digests-* | |
| merge-multiple: true | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Login to Docker Hub | |
| uses: docker/login-action@v3 | |
| with: | |
| username: ${{ vars.DOCKERHUB_USERNAME }} | |
| password: ${{ secrets.DOCKERHUB_TOKEN }} | |
| - name: Create and push manifest | |
| working-directory: /tmp/digests | |
| run: | | |
| docker buildx imagetools create -t ${{ env.IMAGE_NAME }}:latest -t ${{ env.IMAGE_NAME }}:${{ env.NGINX_VERSION }} \ | |
| $(printf '${{ env.IMAGE_NAME }}@sha256:%s ' *) | |
| - name: Inspect image | |
| run: | | |
| docker buildx imagetools inspect ${{ env.IMAGE_NAME }}:latest | |
| docker buildx imagetools inspect ${{ env.IMAGE_NAME }}:${{ env.NGINX_VERSION }} | |
| - name: Check image digest | |
| run: | | |
| LATEST_DIGEST=$(docker buildx imagetools inspect ${{ env.IMAGE_NAME }}:latest --format '{{json .Manifest}}' | jq -r '.digest') | |
| VERSION_DIGEST=$(docker buildx imagetools inspect ${{ env.IMAGE_NAME }}:${{ env.NGINX_VERSION }} --format '{{json .Manifest}}' | jq -r '.digest') | |
| echo "Latest image digest: $LATEST_DIGEST" | |
| echo "Version image digest: $VERSION_DIGEST" |