Docker build and push API service to ghcr.io #77
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| name: "Docker build and push API service to ghcr.io" | |
| on: | |
| schedule: # Scheduled workflows only run on the default branch | |
| - cron: '0 3 * * *' # Nightly at 3 AM UTC | |
| push: | |
| branches: | |
| - main | |
| pull_request: | |
| branches: | |
| - main | |
| workflow_dispatch: | |
| env: | |
| SERVICE: api | |
| REGISTRY: ghcr.io | |
| REPO: ${{ github.repository }} | |
| REPO_OWNER: ${{ github.repository_owner }} | |
| EVENT: ${{ github.event_name }} | |
| jobs: | |
| build-and-push: | |
| name: "Docker build and push API service to ghcr.io" | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: read | |
| packages: write # Needed to push to GHCR | |
| steps: | |
| - name: Set ENV vars | |
| run: | | |
| # remove owner from repo URI, e.g. "owner/repo_name", to get repo name | |
| echo "REPO_NAME=${REPO#$REPO_OWNER/}" >> "$GITHUB_ENV" | |
| # determine tag based on type of GH event | |
| if [[ "$EVENT" == "schedule" ]]; then | |
| echo "TAG=nightly" >> "$GITHUB_ENV" | |
| elif [[ "$EVENT" == "push" ]]; then | |
| echo "TAG=latest" >> "$GITHUB_ENV" | |
| elif [[ "$EVENT" == "pull_request" ]]; then | |
| echo "TAG=pr-${{ github.event.pull_request.number }}" >> "$GITHUB_ENV" | |
| else | |
| echo "TAG=unknown" >> "$GITHUB_ENV" | |
| fi | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| - name: Build and start container (as backing service) | |
| run: | | |
| docker compose up --build --detach $SERVICE | |
| - name: Wait for container to be ready | |
| run: | | |
| RETRIES=10 | |
| for i in `seq 1 $RETRIES`; do | |
| echo "Checking health... attempt $i" | |
| status=$(curl -s -o /dev/null -w "%{http_code}" http://localhost:8000/health || true) | |
| if [ "$status" == "200" ]; then | |
| echo "✅ Health check passed!" | |
| exit 0 | |
| fi | |
| sleep 5 | |
| done | |
| echo "❌ Health check failed after $RETRIES retries." | |
| docker compose logs | |
| exit 1 | |
| - name: Log in to GHCR | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ${{ env.REGISTRY }} | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Tag and push image | |
| run: | | |
| # make sure all values are lowercase for repository image name | |
| registry="$(echo $REGISTRY | tr '[:upper:]' '[:lower:]')" | |
| repo_owner="$(echo $REPO_OWNER | tr '[:upper:]' '[:lower:]')" | |
| repo_name="$(echo $REPO_NAME | tr '[:upper:]' '[:lower:]')" | |
| service="$(echo $SERVICE | tr '[:upper:]' '[:lower:]')" | |
| tag="$(echo $TAG | tr '[:upper:]' '[:lower:]')" | |
| image_name="$repo_name-$service" | |
| source_image="$image_name:latest" | |
| target_image="$registry/$repo_owner/$image_name:$tag" | |
| echo "source_image: $source_image" | |
| echo "target_image: $target_image" | |
| docker tag $source_image $target_image | |
| docker push $target_image | |
| - name: Clean up | |
| run: docker compose down |