publish-2-github-pkg.yml

name: Publish goqur functions app Docker image to Github package 

on:
  [workflow_dispatch]

env:
  GQ_IMAGE_NAME: goqur-functions
  GQ_IMAGE_VERSION: latest
  
jobs:
  publish:
    name: Dockerize and publish
    runs-on: ubuntu-latest
    steps:
      - name: Checkout the repo 
        uses: actions/checkout@v2

      - name: Build image
        run: docker image build . --file Dockerfile --tag ${{ env.GQ_IMAGE_NAME }}

      - name: Log into the Github registry i.e. package
        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login docker.pkg.github.com -u ${{ github.actor }} --password-stdin

      - name: Push image
        run: |
          IMAGE_ID=docker.pkg.github.com/${{ github.repository }}/${{ env.GQ_IMAGE_NAME }}
          
          # Change all uppercase to lowercase
          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')

          # Strip git ref prefix from version
          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')

          # Strip "v" prefix from tag name
          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')

          # Use Docker `latest` tag convention
          [ "$VERSION" == "master" ] && VERSION=latest

          echo 'Real version'
          echo IMAGE_ID=$IMAGE_ID
          echo VERSION=$VERSION

          # Ignore VERSION for now....just use latest
          VERSION=${{ env.GQ_IMAGE_VERSION }}

          echo 'Fake version'
          echo IMAGE_ID=$IMAGE_ID
          echo VERSION=$VERSION

          # Push to Github repository
          docker tag ${{ env.GQ_IMAGE_NAME }} $IMAGE_ID:$VERSION
          docker push $IMAGE_ID:$VERSION