Docker Compose for Rails Systems Tests

docker-compose.yml

version: '3'
services:
  chromedriver:
    image: selenium/standalone-chrome-debug
    ports:
      - 5900:5900
    container_name: chrome_driver
    environment:
      VNC_NO_PASSWORD: 1
    networks:
      app_net:
        aliases:
          - chrome
  test:
    image: app:latest
    command: bundle exec puma -b 'tcp://0.0.0.0:3034' #bundle exec rake test
    container_name: test_app
    ports:
      - 3034:3034
    volumes:
      - .:/app
      - bundle_cache:/src/bundle
      - npm_cache:/src/node_modules
    tty: true
    stdin_open: true
    env_file:
      - .env
    environment:
      DATABASE_URL: postgres://postgres@db:5432/test_app
      RACK_ENV: test
    depends_on:
      - db
      - chromedriver
    networks:
      app_net:
        aliases:
          - test_app
...