127 lines
3.5 KiB
YAML
127 lines
3.5 KiB
YAML
name: Build Docker image
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on:
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push:
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# Run on pull requests to verify that the image still builds correctly
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# The image is not pushed on pull requests
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pull_request:
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paths:
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- Dockerfile
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- .github/workflows/image.yml
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permissions:
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packages: write
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env:
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REGISTRY_IMAGE: ghcr.io/gohugoio/hugo
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jobs:
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build:
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runs-on: ubuntu-latest
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strategy:
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fail-fast: false
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matrix:
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platform:
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- linux/amd64
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- linux/arm64
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steps:
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- name: Prepare
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run: |
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platform=${{ matrix.platform }}
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echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
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- name: Checkout
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uses: actions/checkout@v4.1.6
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- name: Docker meta
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id: meta
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uses: docker/metadata-action@v5.5.1
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with:
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images: ${{ env.REGISTRY_IMAGE }}
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- name: Set up QEMU
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uses: docker/setup-qemu-action@v3.0.0
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v3.3.0
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- name: Login to GHCR
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# Login is only needed when the image is pushed
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if: ${{ startsWith(github.ref, 'refs/tags') }}
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uses: docker/login-action@v3.2.0
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with:
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registry: ghcr.io
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username: ${{ github.repository_owner }}
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password: ${{ secrets.GITHUB_TOKEN }}
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- name: Build and push by digest
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id: build
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uses: docker/build-push-action@v5.3.0
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with:
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context: .
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push: ${{ startsWith(github.ref, 'refs/tags') }}
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platforms: ${{ matrix.platform }}
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labels: ${{ steps.meta.outputs.labels }}
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outputs: type=image,name=${{ env.REGISTRY_IMAGE }},push-by-digest=true,name-canonical=true,push=true
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- name: Export digest
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run: |
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mkdir -p /tmp/digests
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digest="${{ steps.build.outputs.digest }}"
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touch "/tmp/digests/${digest#sha256:}"
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- name: Upload digest
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uses: actions/upload-artifact@v4.3.3
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with:
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name: digests-${{ env.PLATFORM_PAIR }}
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path: /tmp/digests/*
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if-no-files-found: error
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retention-days: 1
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merge:
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runs-on: ubuntu-latest
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needs:
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- build
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if: ${{ startsWith(github.ref, 'refs/tags') }}
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steps:
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- name: Download digests
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uses: actions/download-artifact@v4.1.7
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with:
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path: /tmp/digests
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pattern: digests-*
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merge-multiple: true
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v3.3.0
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- name: Docker meta
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id: meta
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uses: docker/metadata-action@v5.5.1
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with:
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images: ${{ env.REGISTRY_IMAGE }}
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flavor: |
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latest=false
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# Tag the image with the v-prefixed semver version on tags, tag with the ref on PRs
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tags: |
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type=semver,pattern={{raw}}
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type=ref,event=pr
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- name: Login to GHCR
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uses: docker/login-action@v3.2.0
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with:
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registry: ghcr.io
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username: ${{ github.repository_owner }}
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password: ${{ secrets.GITHUB_TOKEN }}
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- name: Create manifest list and push
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working-directory: /tmp/digests
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run: |
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docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
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$(printf '${{ env.REGISTRY_IMAGE }}@sha256:%s ' *)
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- name: Inspect image
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run: |
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docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.meta.outputs.version }}
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