name: build

on: [push, pull_request]

jobs:
  build:
    runs-on: ubuntu-20.04
    strategy:
      matrix:
        ruby: [ '2.5', '2.6', '2.7' ]
    steps:
      - uses: actions/checkout@v2
      - name: Install libpng and libjpeg
        run: sudo apt-get install -y libpng-dev libjpeg-dev
      - name: Set up Ruby ${{ matrix.ruby }}
        uses: actions/setup-ruby@v1
        with:
          ruby-version: ${{ matrix.ruby }}
      - name: Build and test with Rake
        run: |
          gem install bundler
          bundle install --jobs 4 --retry 3
          bundle exec rake