09 docker container network

네트워크 확인

 

도커는 기본값으로 bridge, host, none 세개의 네트워크를 만들며, 도커 네트워크를 확인하려면 docker network ls 명령을 사용합니다.

root@server:~/docker# docker network --help

Usage:	docker network COMMAND

Manage networks

Options:
      --help   Print usage

Commands:
  connect     Connect a container to a network
  create      Create a network
  disconnect  Disconnect a container from a network
  inspect     Display detailed information on one or more networks
  ls          List networks
  prune       Remove all unused networks
  rm          Remove one or more networks

Run 'docker network COMMAND --help' for more information on a command.

root@server:~/docker# docker network ls --help

Usage:	docker network ls [OPTIONS]

List networks

Aliases:
  ls, list

Options:
  -f, --filter filter   Provide filter values (e.g. 'driver=bridge')
      --format string   Pretty-print networks using a Go template
      --help            Print usage
      --no-trunc        Do not truncate the output
  -q, --quiet           Only display network IDs
  
root@server:~/docker# docker network ls
NETWORK ID          NAME                DRIVER              SCOPE
c402ab735910        bridge              bridge              local
80402c9c5d63        host                host                local
0657c28b2cb5        none                null                local

 

docker container inspect 명령으로 컨테이너에 소속된 네트워크를 확인할 수 있습니다. 컨테이너를 시작할 때 네트워크를 명시적으로 지정하지 않으면 브리지 네트워크가 기본으로 설정됩니다.

root@server:~/docker# docker container ls
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                    NAMES
04b4015205a1        echo                "go run /echo/main.go"   3 hours ago         Up 3 hours          0.0.0.0:9090->8080/tcp   modest_haibt

root@server:~/docker# docker container inspect modest_haibt
[
			:
            "Networks": {
                "bridge": {
                    "IPAMConfig": null,
                    "Links": null,
                    "Aliases": null,
                    "NetworkID": "c402ab735910400b67c88191fb0286a0aa11843a896ab4ccda76b74ddcd0bb66",
                    "EndpointID": "212b209a352749b3552948313b40d632cabfa172517bc6a086b3b3829f61fcae",
                    "Gateway": "172.17.0.1",
                    "IPAddress": "172.17.0.2",
                    "IPPrefixLen": 16,
                    "IPv6Gateway": "",
                    "GlobalIPv6Address": "",
                    "GlobalIPv6PrefixLen": 0,
                    "MacAddress": "02:42:ac:11:00:02"
                }
            }
			:
]