name: Test Docker

on: [push, pull_request]

jobs:
  build:

    runs-on: ubuntu-latest
    strategy:
      matrix:
        docker: [
          alpine,
          arch,
          ubuntu-16.04-xenial-amd64,
          ubuntu-18.04-bionic-amd64,
          debian-9-stretch-x86,
          debian-10-buster-x86,
          centos-6-amd64,
          centos-7-amd64,
          amazon-1-amd64,
          amazon-2-amd64,
          fedora-30-amd64,
          fedora-31-amd64,
        ]
        dockerTag: [master]

    name: ${{ matrix.docker }}

    steps:
    - uses: actions/checkout@v1

    - name: Docker pull
      run: |
        docker pull pythonpillow/${{ matrix.docker }}:${{ matrix.dockerTag }}

    - name: Docker build
      run: |
        # The Pillow user in the docker container is UID 1000
        sudo chown -R 1000 $GITHUB_WORKSPACE
        docker run -v $GITHUB_WORKSPACE:/Pillow pythonpillow/${{ matrix.docker }}:${{ matrix.dockerTag }}