Cameron Redmore
84428cf40f
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Build and Push Docker Image / build-and-push (push) Waiting to run
73 lines
No EOL
3.1 KiB
YAML
73 lines
No EOL
3.1 KiB
YAML
name: Build and Push Docker Image
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# Controls when the workflow will run
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on:
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push:
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branches:
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- main # Run on pushes to the main branch
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tags:
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- 'v*.*.*' # Run on pushes of tags like v1.0.0, v1.2.3 etc.
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# Environment variables available to all jobs and steps in the workflow
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env:
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# Use the Forgejo instance URL directly from the context
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REGISTRY: ${{ forgejo.instance }}
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# Construct the base image name using owner and repo name
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IMAGE_BASE_NAME: ${{ forgejo.repository_owner }}/${{ forgejo.repository }}
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jobs:
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build-and-push:
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runs-on: ubuntu-latest # Or specify your preferred runner type that has Docker
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permissions: # Needed for the action to interact with the registry
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contents: read
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packages: write # Required to push to the container registry
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steps:
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- name: Check out code
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uses: actions/checkout@v4
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with:
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fetch-depth: 0 # Fetches all history for all tags and branches - needed for metadata action
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# Optional: Set up QEMU for multi-platform builds (if needed)
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# - name: Set up QEMU
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# uses: docker/setup-qemu-action@v3
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- name: Set up Docker Buildx
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id: buildx # Step ID for referencing outputs
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uses: docker/setup-buildx-action@v3
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- name: Log in to Forgejo Container Registry
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# Uses the automatically generated FORGEJO_TOKEN for authentication
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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: ${{ forgejo.actor }} # The user/actor that triggered the workflow
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password: ${{ secrets.FORGEJO_TOKEN }} # Built-in secret provided by Forgejo Actions
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- name: Extract metadata (tags, labels) for Docker
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id: meta # Step ID for referencing outputs
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uses: docker/metadata-action@v5
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with:
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images: ${{ env.REGISTRY }}/${{ env.IMAGE_BASE_NAME }}
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# Defines tagging strategy based on the event that triggered the workflow
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tags: |
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# tag latest for default branch (e.g., main)
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type=raw,value=latest,enable=${{ forgejo.ref == format('refs/heads/{0}', 'main') }}
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# tag with the git branch name if it's a branch push
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type=ref,event=branch
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# tag with the git tag name if it's a tag push (e.g., v1.0.0)
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type=ref,event=tag
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# tag with the short git SHA
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type=sha,format=short
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- name: Build and push Docker image
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uses: docker/build-push-action@v5
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with:
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context: . # Build context is the repository root
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file: ./Dockerfile # Path to your Dockerfile (default)
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# platforms: linux/amd64,linux/arm64 # Uncomment for multi-platform builds (requires QEMU step)
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push: true # Push the image after building
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tags: ${{ steps.meta.outputs.tags }} # Use tags generated by the metadata step
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labels: ${{ steps.meta.outputs.labels }} # Add labels generated by the metadata step
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cache-from: type=gha # Enable build cache using GitHub Actions cache (works with Forgejo too)
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cache-to: type=gha,mode=max |