ghcr-image-main #143
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| name: ghcr-image-main | |
| on: | |
| push: | |
| branches: | |
| - main | |
| workflow_dispatch: | |
| env: | |
| REGISTRY: ghcr.io | |
| IMAGE_NAME: ${{ github.repository }} | |
| IMAGE_TAG: nightly | |
| jobs: | |
| meta: | |
| runs-on: ubuntu-latest | |
| timeout-minutes: 5 | |
| outputs: | |
| tags: ${{ steps.meta.outputs.tags }} | |
| labels: ${{ steps.meta.outputs.labels }} | |
| annotations: ${{ steps.meta.outputs.annotations }} | |
| json: ${{ steps.meta.outputs.json }} | |
| image-name: ${{ steps.custom-meta.outputs.image-name }} | |
| steps: | |
| - name: Checkout current fork HEAD | |
| uses: actions/checkout@v4.1.5 | |
| with: | |
| fetch-depth: 0 | |
| show-progress: false | |
| - name: Set up upstream git remote | |
| run: | | |
| upstream="$(gh repo view "${{ github.repository }}" --json parent --jq '.parent.owner.login + "/" + .parent.name')" | |
| echo "upstream=$upstream" | |
| git remote add upstream "https://github.com/$upstream.git" | |
| git fetch upstream "${{ github.event.repository.default_branch }}" | |
| env: | |
| GH_TOKEN: ${{ github.token }} | |
| - name: Determine number of commits on top of upstream | |
| id: check-extra-commits | |
| run: | | |
| commit_count="$(git rev-list --count "upstream/${{ github.event.repository.default_branch }}..$GITHUB_REF_NAME")" | |
| echo "commit-count=$commit_count" | tee -a "$GITHUB_OUTPUT" | |
| - name: Discard our commits | |
| run: | | |
| git reset --hard "HEAD~${{ steps.check-extra-commits.outputs.commit-count }}" | |
| - name: Docker meta | |
| id: meta | |
| uses: docker/metadata-action@8e5442c4ef9f78752691e2d8f8d19755c6f78e81 # v5.5.1 | |
| with: | |
| context: git | |
| images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} | |
| tags: | | |
| type=raw,value=${{ env.IMAGE_TAG }} | |
| type=sha,format=long,priority=899 | |
| type=sha,format=short | |
| - name: Extract image name | |
| id: custom-meta | |
| run: | | |
| echo "image-name=${DOCKER_TAG%%:*}" | tee -a $GITHUB_OUTPUT | |
| env: | |
| DOCKER_TAG: ${{ fromJSON(steps.meta.outputs.json).tags[0] }} | |
| build: | |
| runs-on: ubuntu-latest | |
| timeout-minutes: 15 | |
| needs: | |
| - meta | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| platform: | |
| - linux/amd64 | |
| - linux/arm64 | |
| env: | |
| REGISTRY_IMAGE: ${{ needs.meta.outputs.image-name }} | |
| steps: | |
| - name: Prepare | |
| id: meta | |
| run: | | |
| platform=${{ matrix.platform }} | |
| echo "platform-pair=${platform//\//-}" | tee -a "$GITHUB_OUTPUT" | |
| - name: Set up QEMU | |
| uses: docker/setup-qemu-action@68827325e0b33c7199eb31dd4e31fbe9023e06e3 # v3.0.0 | |
| with: | |
| platforms: arm64 | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@d70bba72b1f3fd22344832f00baa16ece964efeb # v3.3.0 | |
| - name: Log in to GHCR | |
| uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d # v3.1.0 | |
| with: | |
| registry: ${{ env.REGISTRY }} | |
| username: ${{ github.repository_owner }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| # We can't build directly from git, as that will prevent .git from being available during the build process. | |
| # lemmy-ui's Dockerfile requires the .git folder to set the version. | |
| - name: Checkout git repository | |
| uses: actions/checkout@v4.1.5 | |
| with: | |
| fetch-depth: 0 | |
| show-progress: false | |
| submodules: recursive | |
| - name: Build Docker image | |
| id: build | |
| uses: docker/build-push-action@4a13e500e55cf31b7a5d59a38ab2040ab0f42f56 # v5.3.0 | |
| with: | |
| context: . | |
| platforms: ${{ matrix.platform }} | |
| labels: ${{ needs.meta.outputs.labels }} | |
| annotations: ${{ needs.meta.outputs.annotations }} | |
| outputs: type=image,name=${{ env.REGISTRY_IMAGE }},push-by-digest=true,name-canonical=true,push=true | |
| cache-from: type=gha | |
| cache-to: type=gha,mode=max | |
| env: | |
| SOURCE_DATE_EPOCH: 0 | |
| - name: Export image digest | |
| run: | | |
| mkdir -p /tmp/digests | |
| digest="${{ steps.build.outputs.digest }}" | |
| touch "/tmp/digests/${digest#sha256:}" | |
| - name: Upload digest | |
| uses: actions/upload-artifact@v4.3.3 | |
| with: | |
| name: digests-${{ steps.meta.outputs.platform-pair }} | |
| path: /tmp/digests/* | |
| if-no-files-found: error | |
| retention-days: 1 | |
| merge: | |
| runs-on: ubuntu-latest | |
| timeout-minutes: 5 | |
| needs: | |
| - meta | |
| - build | |
| permissions: | |
| contents: read | |
| packages: write | |
| env: | |
| REGISTRY_IMAGE: ${{ needs.meta.outputs.image-name }} | |
| steps: | |
| - name: Download digests | |
| uses: actions/download-artifact@v4.1.7 | |
| with: | |
| path: /tmp/digests | |
| pattern: digests-* | |
| merge-multiple: true | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@d70bba72b1f3fd22344832f00baa16ece964efeb # v3.3.0 | |
| - name: Log in to GHCR | |
| uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d # v3.1.0 | |
| with: | |
| registry: ${{ env.REGISTRY }} | |
| username: ${{ github.repository_owner }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Create manifest list and push | |
| working-directory: /tmp/digests | |
| run: | | |
| docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \ | |
| $(printf '${{ env.REGISTRY_IMAGE }}@sha256:%s ' *) | |
| env: | |
| DOCKER_METADATA_OUTPUT_JSON: ${{ needs.meta.outputs.json }} | |
| - name: Inspect image | |
| run: | | |
| docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ env.IMAGE_TAG }} |