cicd-publish-api-image-pr.yaml

name: Publish container image for API using PR head commit SHA as an image tag during PR

on: workflow_dispatch # run maually

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}-api

jobs:
  build-and-publish-image:
    runs-on: ubuntu-latest

    permissions:
      contents: read
      packages: write

    steps:
      - name: Check out the repo
        uses: actions/checkout@v4
        with:
          ref: ${{ github.ref }}  # This dynamically references the branch you trigger the workflow from

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Get short SHA from PR head commit
        id: get_sha
#       if: ${{ github.event_name == 'pull_request' }}
        run: echo "SHORT_SHA=$(echo '${{ github.event.pull_request.head.sha }}' | cut -c1-7)" >> $GITHUB_ENV
        
      - name: Build and push Docker image
        uses: docker/build-push-action@v3
        with:
          context: .
          file: Dockerfile.api
          push: true
          tags: |
            ${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:${{ env.SHORT_SHA }}
          cache-from: type=gha
          cache-to: type=gha,mode=max