59 lines
1.7 KiB
YAML
59 lines
1.7 KiB
YAML
name: Publish image
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# Build and push the Docker image to the GitHub Container Registry
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# (ghcr.io) on version tags only.
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on:
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push:
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tags:
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- 'v*'
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env:
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REGISTRY: ghcr.io
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IMAGE_NAME: ${{ github.repository }}
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jobs:
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publish:
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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 Docker Buildx
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uses: docker/setup-buildx-action@v3
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- name: Log in to GitHub Container Registry
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uses: docker/login-action@v3
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with:
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registry: ${{ env.REGISTRY }}
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username: ${{ github.actor }}
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password: ${{ secrets.GITHUB_TOKEN }}
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- name: Extract image metadata
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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: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
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# v1.2.3 -> 1.2.3, 1.2, 1 ; plus a moving `latest` for the newest tag.
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tags: |
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type=semver,pattern={{version}}
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# A fix to release 1.2.3 is tagged v1.2.3.1: four numbers are not semver, so
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# the pattern above makes no tag for it; this one does (image tag 1.2.3.1).
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type=match,pattern=v(\d+\.\d+\.\d+\.\d+),group=1
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type=semver,pattern={{major}}.{{minor}}
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type=semver,pattern={{major}}
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type=raw,value=latest
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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: .
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file: ./Dockerfile
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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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cache-from: type=gha
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cache-to: type=gha,mode=max
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