8-Docker网路模式之自定义网络

在《8-Docker网络模式之bridge》中，我们默认以Docker自带的bridge模式创建了两个Docker容器，tomcat81和tomcat82。

tomcat81：

[root@centos79 ~]# docker inspect tomcat81 |tail -n 25
            "GlobalIPv6PrefixLen": 0,
            "IPAddress": "172.17.0.2",
            "IPPrefixLen": 16,
            "IPv6Gateway": "",
            "MacAddress": "02:42:ac:11:00:02",
            "Networks": {
                "bridge": {
                    "IPAMConfig": null,
                    "Links": null,
                    "Aliases": null,
                    "NetworkID": "336e3e1629082e68ceb5a0fb5a5bdabc1c0d26eac5ed59e3744f1e9d3e7e003c",
                    "EndpointID": "d31e54f40a5af9f0732f9db305ced38e0d1503a8fdfcb809ac605f880de5eab3",
                    "Gateway": "172.17.0.1",
                    "IPAddress": "172.17