Migration to role group #218
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| name: Publish Docker Image | |
| on: | |
| push: | |
| branches: [ main ] | |
| pull_request: | |
| branches: [ main ] | |
| workflow_dispatch: | |
| env: | |
| # The last two fragments of the identifier of the docker image | |
| IMAGE_NAME: ${{ github.repository }} | |
| MAIN_BRANCH_NAME: main | |
| REGISTRY: ghcr.io | |
| jobs: | |
| build-and-publish: | |
| # Skip if PR is from a fork | |
| if: github.event_name != 'pull_request' || github.event.repository.full_name == github.event.pull_request.head.repo.full_name | |
| runs-on: ubuntu-latest | |
| steps: | |
| - uses: actions/checkout@v3 | |
| - name: Build docker image | |
| run: docker build . --file Dockerfile --tag $IMAGE_NAME | |
| - name: Log in to the Container registry | |
| run: echo "${{ github.token }}" | docker login ${{ env.REGISTRY }} -u ${{ github.actor }} --password-stdin | |
| - name: Push image | |
| run: | | |
| IMAGE_ID=${{ env.REGISTRY }}/$IMAGE_NAME | |
| # Change all uppercase to lowercase | |
| IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]') | |
| # Get branch name if merge to a branch | |
| GIT_BRANCH_NAME=$(echo "${{ github.ref }}" | grep 'refs/heads/.*' | cut -d"/" -f 3) | |
| # Get pull request id (e.g. "pr-123" from "/pulls/123") | |
| PULL_REQUEST_ID=$(echo "${{ github.event.pull_request.number }}" | grep -v "^$" | sed 's/^/pr-/') | |
| # Get tag id while stripping "v" prefix (e.g. "1.2" from "v1.2") | |
| TAG_ID=$(echo "${{ github.ref }}" | grep 'refs/tags/.*' | cut -d"/" -f 3 | sed -e 's/^v//') | |
| # Version is either "git branch name"/"pull request id"/"tag id" | |
| VERSION=${GIT_BRANCH_NAME:-${PULL_REQUEST_ID:-${TAG_ID}}} | |
| # Use Docker `latest` tag convention | |
| [ "$VERSION" == $MAIN_BRANCH_NAME ] && VERSION=latest | |
| echo IMAGE_ID=$IMAGE_ID | |
| echo VERSION=$VERSION | |
| docker tag $IMAGE_NAME $IMAGE_ID:$VERSION | |
| docker push $IMAGE_ID:$VERSION |