PR Preview Build #27
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| name: PR Preview Build | |
| on: | |
| workflow_dispatch: | |
| inputs: | |
| pr_number: | |
| description: 'PR number (e.g. 123)' | |
| required: true | |
| type: number | |
| variant: | |
| description: 'Dockerfile variant' | |
| required: false | |
| type: choice | |
| options: | |
| - default | |
| - antigravity | |
| - claude | |
| - codex | |
| - copilot | |
| - cursor | |
| - gemini | |
| - grok | |
| - hermes | |
| - native | |
| - opencode | |
| - pi | |
| default: 'default' | |
| env: | |
| REGISTRY: ghcr.io | |
| IMAGE_NAME: ${{ github.repository }} | |
| jobs: | |
| resolve-pr: | |
| runs-on: ubuntu-latest | |
| permissions: | |
| pull-requests: read | |
| outputs: | |
| ref: ${{ steps.pr.outputs.ref }} | |
| repo: ${{ steps.pr.outputs.repo }} | |
| dockerfile: ${{ steps.df.outputs.file }} | |
| suffix: ${{ steps.df.outputs.suffix }} | |
| steps: | |
| - name: Get PR branch | |
| id: pr | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| run: | | |
| PR_JSON=$(gh api repos/${{ github.repository }}/pulls/${{ inputs.pr_number }}) | |
| echo "ref=$(echo "$PR_JSON" | jq -r '.head.ref')" >> "$GITHUB_OUTPUT" | |
| echo "repo=$(echo "$PR_JSON" | jq -r '.head.repo.full_name')" >> "$GITHUB_OUTPUT" | |
| - name: Resolve Dockerfile | |
| id: df | |
| run: | | |
| if [ "${{ inputs.variant }}" = "default" ]; then | |
| echo "file=Dockerfile" >> "$GITHUB_OUTPUT" | |
| echo "suffix=" >> "$GITHUB_OUTPUT" | |
| else | |
| echo "file=Dockerfile.${{ inputs.variant }}" >> "$GITHUB_OUTPUT" | |
| echo "suffix=-${{ inputs.variant }}" >> "$GITHUB_OUTPUT" | |
| fi | |
| build: | |
| needs: resolve-pr | |
| strategy: | |
| matrix: | |
| platform: | |
| - { os: linux/amd64, runner: ubuntu-latest } | |
| - { os: linux/arm64, runner: ubuntu-24.04-arm } | |
| runs-on: ${{ matrix.platform.runner }} | |
| permissions: | |
| contents: read | |
| packages: write | |
| steps: | |
| - uses: actions/checkout@v6 | |
| with: | |
| repository: ${{ needs.resolve-pr.outputs.repo }} | |
| ref: ${{ needs.resolve-pr.outputs.ref }} | |
| - uses: docker/setup-buildx-action@v3 | |
| - uses: docker/login-action@v4 | |
| with: | |
| registry: ${{ env.REGISTRY }} | |
| username: ${{ github.repository_owner }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Build and push by digest | |
| id: build | |
| uses: docker/build-push-action@v6 | |
| with: | |
| context: . | |
| file: ${{ needs.resolve-pr.outputs.dockerfile }} | |
| platforms: ${{ matrix.platform.os }} | |
| outputs: type=image,name=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}${{ needs.resolve-pr.outputs.suffix }},push-by-digest=true,name-canonical=true,push=true | |
| cache-from: type=gha,scope=pr-${{ inputs.variant }}-${{ matrix.platform.os }} | |
| cache-to: type=gha,scope=pr-${{ inputs.variant }}-${{ matrix.platform.os }},mode=max | |
| - name: Export digest | |
| run: | | |
| mkdir -p /tmp/digests | |
| digest="${{ steps.build.outputs.digest }}" | |
| touch "/tmp/digests/${digest#sha256:}" | |
| - name: Upload digest | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: digests-${{ matrix.platform.runner }} | |
| path: /tmp/digests/* | |
| retention-days: 1 | |
| merge: | |
| needs: [resolve-pr, build] | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: read | |
| packages: write | |
| steps: | |
| - name: Download digests | |
| uses: actions/download-artifact@v4 | |
| with: | |
| path: /tmp/digests | |
| pattern: digests-* | |
| merge-multiple: true | |
| - uses: docker/setup-buildx-action@v3 | |
| - uses: docker/login-action@v4 | |
| with: | |
| registry: ${{ env.REGISTRY }} | |
| username: ${{ github.repository_owner }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Create manifest list | |
| run: | | |
| IMAGE="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}${{ needs.resolve-pr.outputs.suffix }}" | |
| docker buildx imagetools create \ | |
| -t "${IMAGE}:pr${{ inputs.pr_number }}" \ | |
| $(printf "${IMAGE}@sha256:%s " $(ls /tmp/digests/)) |