#yum install docker-engine
# useradd docker
docker$ docker pull wonder4/centos
$docker run -it wonder4/centos
root# yum install sudo
root# useradd mysql
root# visudo 增加mysql
docker$ docker ps -l
获得container id前四位93e7
docker$ docker cp mysql-5.7.11/ 93e7:/home/mysql 拷贝到home下
docker$ docker run -it wonder4/centos