centos安装docker，docker安装tomcat

1.centos安装docker

https://www.cnblogs.com/qgc1995/archive/2018/08/29/9553572.html

2.docker安装tomcat

https://blog.csdn.net/oabcde12/article/details/79268429

3.配置tomcat时固定映射端口

https://www.cnblogs.com/shijf/p/10386193.html