PostgreSQL:
  restart: always
  image: postgres:9.6-alpine
  container_name: postgres
  ports:
    - "5432:5432"
  environment:
    - DEBUG=false
    - POSTGRES_USER=postgres_or_another
    - POSTGRES_PASSWORD=something_secure
    - POSTGRES_DB=your_database_name_here

  volumes:
    - ./data:/var/lib/postgresql/data

# How to run
# docker-compose up -d