build-dask-image.yml

name: Build and push dask image

on:
  push:
    branches:
      - 'main'
    paths:
      - '.github/workflows/build-dask-image.yml'
      - 'images/dask/**'
  pull_request:
    paths:
      - '.github/workflows/build-dask-image.yml'
      - 'images/dask/**'

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

jobs:
  build_push:
    name: Package docker image
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - uses: actions/setup-python@v4
        with:
          python-version: '3.10'
      - run: curl -sSL https://install.python-poetry.org | python -
      # from https://forcepush.tech/python-package-ci-cd-with-git-hub-actions
      - name: Get image tag from version.txt
        run: |
          cd images/dask
          PROJECT_VERSION=$(cat version.txt)
          echo "PROJECT_VERSION=$PROJECT_VERSION" >> $GITHUB_ENV
      - uses: docker/build-push-action@v2
        with:
          context: images/dask
          push: ${{ github.ref == 'refs/heads/main' }}
          tags: ghcr.io/${{github.repository}}/dask:${{env.PROJECT_VERSION}}