一、搭建容器之间的网络
1. 查看目前的网络环境
[root@liuxin-test01 ~]# ip a
1: lo: <LOOPBACK> mtu 65536 qdisc noqueue state UNKNOWN qlen 1
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_