docker.yml

name: Docker packaging
on:
  push:
    tags:
      - 'basedon-*'
   
jobs:
  main:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      -
        name: Environment variables
        run: env
      - 
        name: Create images
        env:
          DOCKERHUB_USER: ${{ secrets.DOCKERHUB_USER }}
          DOCKERHUB_PASS: ${{ secrets.DOCKERHUB_PASS }}
          DOCKERHUB_REPO: ${{ vars.DOCKERHUB_REPO }}
        shell: bash
        run: |
          LATEST_TAG=${GITHUB_REF#refs/tags/}
          LATEST_TAG=${LATEST_TAG:8} #trim "basedon-" from tag
          echo "$DOCKERHUB_PASS" | docker login -u "$DOCKERHUB_USER" --password-stdin
          docker buildx create --use
          DOCKER_BUILDX_OPTS="--platform linux/amd64,linux/arm64,linux/arm/v7 --push"
          docker buildx build $DOCKER_BUILDX_OPTS -t $DOCKERHUB_REPO:$LATEST_TAG .