问如何把docker放下来，但在新容器准备好之前保持容器存活？

EN

version: '3'
    
services:
  db:
    image: postgres
    restart: always
    environment:
      - POSTGRES_DB=test
      - POSTGRES_USER=postgres
      - POSTGRES_PASSWORD=test123
    volumes:
      - "./postgres:/var/lib/postgresql/data"

  rabbit:
    hostname: rabbit
    image: rabbitmq:latest
    environment:
      - RABBITMQ_DEFAULT_USER=test
      - RABBITMQ_DEFAULT_PASS=test
    ports:
      - "5673:5672"

  web:
    build: ./test_phyton
    restart: always

    command: bash -c "/etc/init.d/cron start && export test=dev && python manage.py runserver 0.0.0.0:8000"
    volumes:
      - ./test_phyton:/app
    ports:
      - "80:8000"
      - "443:443"
    links:
      - rabbit
    depends_on:
      - db
      - rabbit