docker.yml

---
name: 'Build Docker images'

on:
  schedule:
    - cron: '0 4 * * *'

permissions: # least privileges, see https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#permissions
  contents: read

jobs:
  build:
    name: docker build
    if: ${{ vars.SCHEDULED_DOCKER }}
    # on a ubuntu-20.04 VM
    runs-on: ubuntu-20.04
    strategy:
      matrix:
        product: ['auth', 'recursor', 'dnsdist']
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 5
          submodules: recursive
      # this builds packages and runs our unit test (make check)
      - run: docker build --rm -t powerdns-${{ matrix.product }} -f Dockerfile-${{ matrix.product }} .