issue #63: build and push docker container to github registry #6
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| name: Reusable workflow to build and push docker container to github container registry | |
| on: | |
| workflow_call: | |
| inputs: | |
| container-name: | |
| required: true | |
| type: string | |
| tag: | |
| required: true | |
| type: string | |
| registry: | |
| required: true | |
| type: string | |
| pull_request: | |
| types: | |
| - opened | |
| - closed | |
| - synchronize | |
| jobs: | |
| build-push-image: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Check Out Repo | |
| uses: actions/checkout@v4 | |
| - name: Check if a Dockerfile is present at the root of the repo | |
| id: check-file | |
| run: | | |
| if [ -f Dockerfile ]; then | |
| echo "::set-output name=exists::true" | |
| else | |
| echo "::set-output name=exists::false" | |
| fi | |
| - name: Cancel the workflow if no Dockerfile is present | |
| if: steps.check-file.outputs.exists == 'false' | |
| uses: andymckay/cancel-action@0.2 | |
| # needed since the run is not cancelled immediately | |
| - name: Wait for run cancellation | |
| if: steps.check-file.outputs.exists == 'false' | |
| shell: bash | |
| run: | | |
| echo "No Dockerfile found, cancelling the workflow." | |
| while true; do echo "Waiting for job to be cancelled"; sleep 5; done | |
| - name: Set up Docker Buildx | |
| id: buildx | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Log in to the github container registry (GCR) | |
| uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1 | |
| with: | |
| registry: ${{ inputs.registry }} | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Cache Docker layers | |
| uses: actions/cache@v3 | |
| with: | |
| path: /tmp/.buildx-cache | |
| key: ${{ runner.os }}-buildx-${{ github.sha }} | |
| restore-keys: ${{ runner.os }}-buildx | |
| - name: Extract branch name | |
| shell: bash | |
| run: echo "branch=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}" >> $GITHUB_OUTPUT | |
| id: extract_branch_name | |
| - name: Build and push (3 tags | commit number, pr number, branch name) | |
| id: docker_build_and_tag | |
| uses: docker/build-push-action@v5 | |
| with: | |
| context: . | |
| push: true | |
| tags: | | |
| ${{ inputs.registry }}/${{ inputs.container-name }}:${{ github.event.number }} | |
| ${{ inputs.registry }}/${{ inputs.container-name }}:${{ inputs.tag }} | |
| ${{ inputs.registry }}/${{ inputs.container-name }}:${{ steps.extract_branch_name.outputs.branch }} | |
| cache-from: type=local,src=/tmp/.buildx-cache | |
| cache-to: type=local,mode=max,dest=/tmp/.buildx-cache-new | |
| - name: Refresh Cache | |
| run: | | |
| rm -rf /tmp/.buildx-cache | |
| mv /tmp/.buildx-cache-new /tmp/.buildx-cache | |
| - name: Image digest (latest) | |
| run: echo ${{ steps.docker_build_and_tag.outputs.digest }} | |
| remove-old-image: | |
| runs-on: ubuntu-latest | |
| needs: build-push-image | |
| steps: | |
| - name: Check Out Repo | |
| uses: actions/checkout@v4 | |
| - name: Set up Docker | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Set up Python | |
| uses: actions/setup-python@v3 | |
| with: | |
| python-version: 3.8 | |
| - name: Install Python dependencies | |
| run: pip install requests | |
| - name: Run Python Script | |
| run: python scripts/remove-old-image.py | |
| env: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| REGISTRY: ${{ inputs.registry }} | |
| CONTAINER_NAME: ${{ inputs.container-name }} | |
| PR_TAG: ${{ github.event.number }} | |
| USER: ${{ github.actor }} | |
| CURRENT_COMMIT: ${{ inputs.tag }} | |