on_release.yml

name: publish basic container

on:
  release:
    types: [published]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      
      - name: Login to Container Registry
        uses: docker/#-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
          
      - name: set lower case owner name
        run: |
          echo "REPOSITORY_LC=${REPOSITORY,,}" >>${GITHUB_ENV}
        env:
          REPOSITORY: '${{ github.repository }}'
          
      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: linux/amd64
          push: true
          tags: |
            ${{ env.REPOSITORY_LC }}:latest
            ${{ env.REPOSITORY_LC }}:${{ github.ref_name }}
      #- name: Build and push arm64
      #  uses: docker/build-push-action@v5
      #  with:
      #    context: .
      #    file: Dockerfile-arm64
      #    platforms: linux/arm64
      #    push: true
      #    tags: |
      #      ${{ env.REPOSITORY_LC }}:latest-arm64
      #      ${{ env.REPOSITORY_LC }}:${{ github.ref_name }}-arm64