swarm 的network

1.   nginx ：  docker stack deploy -c docker-compose.yml nginx

version: '3.8'
services:
  mq:
    image: nginx
    networks:
      - rabbitmq_network
    deploy:
      mode: replicated
      replicas: 1
networks:

rabbitmq_network:

external: true

2.  centos：   docker stack deploy -c docker-compose.yml centos

version: '3.8'
services:
  centos:
    image: centos
    command: /bin/sh -c "while true;do echo hello;sleep 5;done"
    networks:
      - rabbit_rabbitmq_network
    deploy:
      mode: replicated
      replicas: 1
networks:

rabbit_rabbitmq_network:

external: true

3.  docker stack deploy -c docker-compose.yml rabbit

version: '3.8'
services:
  mq:
    image: rabbitmq:3.9-management
    environment:
      RABBITMQ_ERLANG_COOKIE: qqqqq
    restart: always
    ports:
      - 15672:15672
    networks:
      - rabbitmq_network
    deploy:
      mode: replicated
      replicas: 3
networks:

rabbitmq_network:

docker stack 一一启动。

进入centos, [root@0517818a6ab6 /]# curl nginx_mq  成功

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