tornado/demos/blog/docker-compose.yml

postgres:
  image: postgres:10.3
  environment:
    POSTGRES_USER: blog
    POSTGRES_PASSWORD: blog
    POSTGRES_DB: blog
  ports:
    - "3306"
blog:
  build: .
  links:
    - postgres
  ports:
    - "8888:8888"
  command: --db_host=postgres