docker-publish.yml

# This is a basic workflow to help you get started with Actions

name: release

# Controls when the action will run.
on:
  push:
    branches: [ main ]
    tags:
      - 'v*.*.*'
  # Triggers the workflow on push or pull request events but only for the master branch
  #push
  #pull_request:
  #  branches: [ feature/restructure ]

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

env:
  IMAGE_NAME: viur3-container

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  release:
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read

    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Build image
        run: docker build . --file Dockerfile --tag $IMAGE_NAME --label "runnumber=${GITHUB_RUN_ID}"

      - name: Log in to registry
        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin

      - name: Push image
        run: |
          IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$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,')
          # Use Docker `latest` tag convention
          [ "$VERSION" == "main" ] && VERSION=latest
          echo IMAGE_ID=$IMAGE_ID
          echo VERSION=$VERSION

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