postgres:
  image: 'postgres'
  ports:
    - '5432:5432'
  expose:
    - '5432'
  environment:
    - POSTGRES_USER=drupal
    - POSTGRES_PASSWORD=thisisasecretpass1

drupal:
  image: 'drupal'
  links:
    - 'postgres:postgres'
  ports:
    - '8080:80'