86 lines
2.5 KiB
YAML
86 lines
2.5 KiB
YAML
name: Docker Build & Push to GitHub Container Registry (Use git tags with format vX.Y.Z as release version)
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on:
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workflow_call:
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inputs:
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image_name:
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type: string
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required: true
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description: >
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Docker image name without registry and owner.
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Example: observability/alloy
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build_context:
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type: string
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required: false
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default: .
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description: >
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Path to the Docker build context.
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Example: . or ./services/api
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file_path:
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type: string
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required: false
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default: ./Dockerfile
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description: >
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Path to the Dockerfile relative to the repository root.
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Example: ./Dockerfile or ./services/api/Dockerfile
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platforms:
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type: string
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required: false
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default: linux/amd64,linux/arm64
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description: >
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Comma-separated list of target platforms to build.
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Example: linux/amd64,linux/arm64
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jobs:
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build-and-push:
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runs-on: ubuntu-latest
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permissions:
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contents: read
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packages: write
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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- name: Set up QEMU (for cross-arch builds)
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uses: docker/setup-qemu-action@v3
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with:
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platforms: arm64
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v3
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- name: Ensure lowercase username because some registries do not allow uppercase letters
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id: lowercase
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run: echo "username=$(echo ${{ github.repository_owner }} | tr '[:upper:]' '[:lower:]')" >> $GITHUB_OUTPUT
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- name: Docker meta
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id: meta
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uses: docker/metadata-action@v5
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with:
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images: ghcr.io/${{ steps.lowercase.outputs.username }}/${{ inputs.image_name }}
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tags: |
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type=match,pattern=.*(v\d+\.\d+\.\d+),group=1
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type=match,pattern=.*(v\d+\.\d+)\.\d+,group=1
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type=match,pattern=.*(v\d+)\.\d+\.\d+,group=1
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- name: Login to GitHub Container Registry
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uses: docker/login-action@v3
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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
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uses: docker/build-push-action@v6
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with:
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context: ${{ inputs.build_context }}
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file: ${{ inputs.file_path }}
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platforms: ${{ inputs.platforms }}
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push: true
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tags: ${{ steps.meta.outputs.tags }}
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labels: ${{ steps.meta.outputs.labels }}
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