【Docker】ユーザ定義のブリッジネットワーク作成

private ブリッジの作成

code:shell

$ sudo docker network create --driver bridge private

2ebf4d09acf27104a6cf591ef81e8c2f6953246b952a57216ebd96bef6c72e5b

確認

code:shell

$ sudo docker network inspect private

[

{

"Name": "private",

"Id": "2ebf4d09acf27104a6cf591ef81e8c2f6953246b952a57216ebd96bef6c72e5b",

"Created": "2019-10-03T09:28:23.322457582+09:00",

"Scope": "local",

"Driver": "bridge",

"EnableIPv6": false,

"IPAM": {

"Driver": "default",

"Options": {},

"Config": [

{

"Subnet": "172.18.0.0/16",

"Gateway": "172.18.0.1"

}

]

},

"Internal": false,

"Attachable": false,

"Containers": {},

"Options": {},

"Labels": {}

}

]

code:shell

$ sudo docker network ls

NETWORK ID NAME DRIVER SCOPE

0f0e0c448e5b bridge bridge local

9b92e0b95f5d host host local

17440f7cc928 none null local

2ebf4d09acf2 private bridge local

private ブリッジにコンテナを作成

code:shell

$ sudo docker run -it --net=private centos /bin/bash

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000

link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

inet 127.0.0.1/8 scope host lo

valid_lft forever preferred_lft forever

inet6 ::1/128 scope host

valid_lft forever preferred_lft forever

9: eth0@if10: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default

link/ether 02:42:ac:12:00:02 brd ff:ff:ff:ff:ff:ff link-netnsid 0

inet 172.18.0.2/16 scope global eth0

valid_lft forever preferred_lft forever

inet6 fe80::42:acff:fe12:2/64 scope link

valid_lft forever preferred_lft forever

確認

code:shell

$ sudo docker network inspect private

[

{

(snip)

"Containers": {

"d8305568a5a6fa2588b736a99a1f95307fd5dee17446d31e480732f6f368ed1d": {

"Name": "gifted_turing",

"EndpointID": "de2a7d7ca3f2647bbd38dd2d1b73e5506a292fefd2ece9656cfed14e2c2143e0",

"MacAddress": "02:42:ac:12:00:02",

"IPv4Address": "172.18.0.2/16",

"IPv6Address": ""

}

},

(snip)

}

]