name: release-docker

on:
  workflow_dispatch:
  push:
    branches:
      - 'develop'
      - 'docker'
    tags:
      - 'v*'

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:

  docker:

    runs-on: ubuntu-latest

    steps:
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to DockerHub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Check out the repo
        uses: actions/checkout@v6

      - name: Extract metadata (tags, labels) for Docker Hub
        id: meta_dockerhub
        uses: docker/metadata-action@v5
        with:
          images: "openml/openml-python"

      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v6
        with:
          context: ./docker/
          tags: ${{ steps.meta_dockerhub.outputs.tags }}
          labels: ${{ steps.meta_dockerhub.outputs.labels }}
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name == 'push' }}

      - name: Update repo description
        if: ${{ startsWith(github.ref, 'refs/tags/v') }}
        uses: peter-evans/dockerhub-description@v4
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
          repository: openml/openml-python
          short-description: "pre-installed openml-python environment"
          readme-filepath: ./docker/readme.md
          
      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}