docker 网络

创建网络

docker network create  springcloud

查看网络

docker network ls

指定网络

docker run --rm -it --network=springcloud  test bash

networks:
  springcloud:
    external: true

networks:
  my-network:
    external:
      name: springcloud

version: '3'
services:
  myapp:
    image: my-image
    networks:
      - springcloud

networks:
  springcloud:
    driver: bridge

指定hostname

docker run --rm -it --network=springcloud  --hostname=node1  test bash

docker run --rm -it --network=springcloud --hostname=node2  test bash

网络工具

sudo apt install iputils-ping