publish-review.yml

name: Publish Docker image for review
on:
  push:
    branches:
      - '**'
      - '!master'
jobs:
  build-and-push:
    runs-on: ubuntu-latest
    steps:

      - name: Copy repo files
        uses: actions/checkout@v2

      - name: Set env
        run: echo "RELEASE_VERSION=$(echo ${GITHUB_REF##*/})" >> $GITHUB_ENV

      - name: Publish image to GitHub Container Registry
        run: |
          echo ${{ secrets.GITHUB_TOKEN }} | docker login ghcr.io -u $GITHUB_ACTOR --password-stdin
          docker pull ghcr.io/${{github.repository}}
          docker build -t ghcr.io/${{github.repository}}:${{ env.RELEASE_VERSION }} . --cache-from ghcr.io/${{github.repository}}
          docker push ghcr.io/${{github.repository}}:${{ env.RELEASE_VERSION }}