name: CI
on: [push, pull_request]
jobs:
  test:
    strategy:
      matrix:
        pg:
          - 9.6
          - 10
          - 11
          - 12
        gemfile:
          - rails_5.0
          - rails_5.1
          - rails_5.2
          - rails_6.0
          - rails_6.1
    name: PostgreSQL ${{ matrix.pg }}
    runs-on: ubuntu-latest
    env: # $BUNDLE_GEMFILE must be set at the job level, so it is set for all steps
      BUNDLE_GEMFILE: gemfiles/${{ matrix.gemfile }}.gemfile
      ImageOS: ubuntu20
    services:
      postgresql:
        image: postgres:${{ matrix.pg }}
        env:
          POSTGRES_PASSWORD: postgres
        # Set health checks to wait until postgres has started
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 5432:5432
    steps:
      - uses: actions/checkout@v2
      - name: Setup Ruby using .ruby-version file
        uses: ruby/setup-ruby@v1
        with:
          bundler-cache: true # runs 'bundle install' and caches installed gems automatically
      - run: bundle exec rake spec