72 lines
2.3 KiB
YAML
72 lines
2.3 KiB
YAML
name: Docker
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# Gitea Actions workflow: builds the Docker image and publishes it to the
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# Gitea Container Registry hosted on this Gitea instance.
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on:
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push:
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branches:
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- main
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- develop
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tags:
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- "v*.*.*"
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pull_request:
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branches:
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- main
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- develop
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jobs:
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build:
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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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# Derive the registry host from the Gitea instance URL (e.g.
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# https://gitea.example.com -> gitea.example.com). The Gitea Container
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# Registry is served from the instance root, so this works on any host.
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- name: Resolve registry host
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run: echo "REGISTRY=${GITHUB_SERVER_URL#*://}" >> "$GITHUB_ENV"
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- name: Checkout repository
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uses: actions/checkout@v4
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# Set up BuildKit Docker container builder to be able to build
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# multi-platform images and export cache.
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v3
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# Log into the Gitea Container Registry except on PR. The automatic
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# Actions token can push packages owned by the same user/org. If package
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# publishing is restricted on your instance, create a personal access
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# token with the "write:package" scope and store it as the PACKAGES_TOKEN
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# secret, then swap the password below to ${{ secrets.PACKAGES_TOKEN }}.
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- name: Log into registry ${{ env.REGISTRY }}
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if: github.event_name != 'pull_request'
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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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# Extract metadata (tags, labels) for Docker.
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- name: Extract Docker 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: ${{ env.REGISTRY }}/${{ github.repository }}
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# Build and push the Docker image with Buildx (don't push on PR).
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- name: Build and push Docker image
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id: build-and-push
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uses: docker/build-push-action@v5
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with:
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context: .
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push: ${{ github.event_name != 'pull_request' }}
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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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platforms: linux/amd64
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