docker-dev.yml

name: Docker Image CI

on:
  push:
    branches: ['dev']

env:
  IMAGE_NAME: energy-householder

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read

    steps:
      - uses: actions/checkout@v4
      - name: Build image
        run: docker build --pull --rm -f "dockerfiles/Dockerfile.prod" --tag $IMAGE_NAME --label "runnumber=${GITHUB_RUN_ID}" .
      - name: Log in to registry
        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u $ --password-stdin
      - name: Push image
        run: |
          IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME

          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]') 

          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')

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

          echo IMAGE_ID=$IMAGE_ID
          echo VERSION=$VERSION
          docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
          docker push $IMAGE_ID:$VERSION

        # build repoUrl
        # change all uppercase characters to lowercase
        # strip git ref prefix from version
        # strip v prefix from tag name
        # zse Docker:latest tag convention