MongoEngine/flask-mongoengine

version: "3.3"
volumes:
  db_data: {}

services:
  mongo:
    image: mongo:4.4
    volumes:
      - db_data:/data/db/
    ports:
      - 27017:27017
    restart: always

  flask:
    build:
      context: .
      dockerfile: ./example_app/compose/flask/Dockerfile
    depends_on:
      - mongo
    command: python ./example_app/app.py
    ports:
      - 8000:8000
    volumes:
      - ./:/flask_mongoengine
    restart: always