基于ubuntu:18.04镜像创建ssh服务镜像

准备基础镜像与容器

docker run -tid --name ubuntu ubuntu:18.04 /bin/bash

docker ps -l
CONTAINER ID   IMAGE          COMMAND       CREATED          STATUS         PORTS     NAMES
6119c278ad6c   ubuntu:18.04   "/bin/bash"   10 seconds ago   Up 9 seconds             ubuntu

docker images
REPOSITORY   TAG       IMAGE ID       CREATED        SIZE
ubuntu       18.04     c6ad7e71ba7d   13 days ago    63.2MB

TODO

TODO

参考：https://blog.csdn.net/qmqm011/article/details/88094464