PR Build Image #5
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| name: PR-Build | |
| run-name: PR Build Image | |
| on: | |
| pull_request: | |
| branches: ['main'] | |
| jobs: | |
| pr-build: | |
| # https://github.com/actions/runner-images | |
| runs-on: ubuntu-latest | |
| steps: | |
| # debug | |
| - run: echo "🎉 The job was automatically triggered by a ${{ github.event_name }} event from ${{ github.actor }}." | |
| - run: echo "🐧 This job is now running on a ${{ runner.os }} server hosted by GitHub!" | |
| - run: echo "🔎 The name of your branch is ${{ github.ref }} and your repository is ${{ github.repository }}." | |
| # checkout | |
| - name: Check out repository code | |
| uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 0 # all history for tags and branches, needed to resolve tag->branch name | |
| # https://docs.docker.com/build/ci/github-actions/multi-platform/ | |
| # QEMU for software emulation of multiple platforms | |
| - name: Set up QEMU | |
| uses: docker/setup-qemu-action@v3 | |
| # Docker buildx/buildkit for multi-platform builds | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| # debug | |
| - run: echo "💡 The ${{ github.repository }} repository has been cloned to the runner." | |
| - run: echo "🖥️ The workflow is now ready to test your code on the runner." | |
| - name: List files in the repository | |
| run: | | |
| ls ${{ github.workspace }} | |
| - run: echo "🍏 This job's status is ${{ job.status }}." | |
| # debug github context and env | |
| - name: Dump env | |
| run: env | sort | |
| - name: Dump GitHub context | |
| env: | |
| GITHUB_CONTEXT: ${{ toJson(github) }} | |
| run: echo "$GITHUB_CONTEXT" | |
| # - name: calculate branch name IF branch | |
| # if: github.ref_type == 'branch' # 'branch' if regular push | |
| # run: | | |
| # echo "GITHUB_REF_NAME = $GITHUB_REF_NAME" | |
| # echo "GITHUB_SHA = ${{ github.event.pull_request.head.sha }}" | |
| # short_sha=`git rev-parse --short ${{ github.event.pull_request.head.sha }}` | |
| # echo "short SHA = $short_sha" | |
| # echo candidates for branch name | |
| # git for-each-ref | grep ^$short_sha | grep origin | grep -v HEAD | |
| # branch_name=`git for-each-ref | grep ^$short_sha | grep origin | grep -v HEAD | head -n1 | sed "s/.*\///"` | |
| # echo tag $GITHUB_REF_NAME is on branch $branch_name | |
| - name: calculate branch name IF branch | |
| if: github.ref_type == 'branch' # 'branch' if regular push | |
| run: | | |
| echo "GITHUB_REF_NAME = $GITHUB_REF_NAME" | |
| echo "GITHUB_SHA = ${{ github.event.pull_request.head.sha }}" | |
| short_sha=`git rev-parse --short ${{ github.event.pull_request.head.sha }}` | |
| echo "short SHA = $short_sha" | |
| echo candidates for branch name | |
| git for-each-ref | grep ^$short_sha | grep origin | grep -v HEAD | |
| branch_name=`git for-each-ref | grep ^$short_sha | grep origin | grep -v HEAD | head -n1 | sed "s/.*\///"` | |
| echo tag $GITHUB_REF_NAME is on branch $branch_name | |
| # tags and labels | |
| - name: Extract metadata (tags, labels) for image ${{ env.FULL_IMAGE_NAME }} | |
| id: meta | |
| uses: docker/metadata-action@v4 | |
| with: | |
| # https://docs.github.com/en/actions/publishing-packages/publishing-docker-images | |
| images: | | |
| ${{ env.GH_REGISTRY }}/${{ env.FULL_IMAGE_NAME }} | |
| tags: | | |
| type=semver,pattern={{version}} | |
| type=ref,event=pr | |
| type=ref,event=branch | |
| # in addition to full semantic version (x.y.z) would also create (x.y) | |
| #type=semver,pattern={{major}}.{{minor}} | |
| - name: Get fresh build arguments | |
| shell: bash | |
| run: echo -e "BUILD_TIME=$(date -u '+%Y-%m-%d_%H:%M:%S')\nGITREF=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT | |
| id: get_buildargs | |
| - name: Build PR Image | |
| uses: docker/build-push-action@v5 | |
| with: | |
| context: . | |
| push: false | |
| platforms: linux/amd64,linux/arm64,linux/arm/v7 | |
| tags: ${{ steps.meta.outputs.tags }} | |
| labels: ${{ steps.meta.outputs.labels }} | |
| build-args: | | |
| MY_VERSION=${{ fromJSON(steps.meta.outputs.json).labels['org.opencontainers.image.version'] }} | |
| MY_BUILTBY=github-action | |
| BUILD_TIME=${{ steps.get_buildargs.outputs.BUILD_TIME }} | |
| GITREF=${{ steps.get_buildargs.outputs.GITREF }} | |
| GITREF_long="${{ github.sha }}" |