GitHub Action for CI Rails Tests with a specific ruby version, minitest, Chrome Headless and PostgreSQL

rails-tests.yml

# .github/workflows/rails-tests.yml
name: Rails Tests
on: [push]
jobs:
  build:
    runs-on: ubuntu-latest
    env:
      PGHOST: localhost
      PGUSER: postgres
      RAILS_ENV: test
    services:
      postgres:
        image: postgres:11.5
        ports: ["5432:5432"]
      redis:
        image: redis
        ports:
          - 6379/tcp
    steps:
    - uses: actions/checkout@v1

    - name: Install correct ruby version through RVM
      run: |
        curl -sSL https://get.rvm.io | bash
        source $HOME/.rvm/scripts/rvm
        rvm install $(cat .ruby-version) --binary
        rvm --default use $(cat .ruby-version)
    - name: Install PostgreSQL client & chrome Headless
      run: |
        sudo apt-get update
        sudo apt-get -yqq install libpq-dev
        sudo apt-get install google-chrome-stable
    - name: Build App
      run: |
        source $HOME/.rvm/scripts/rvm
        gem install bundler
        bundle install --jobs 4 --retry 3
        bundle exec rails db:setup
    - name: Precompile assets
      env:
        SECRET_KEY_BASE: a 
        RAILS_ENV: production 
      run: |
        source $HOME/.rvm/scripts/rvm
        bundle exec rake assets:precompile
    - name: Run Tests
      run: |
        source $HOME/.rvm/scripts/rvm
        bundle exec rails test:system test