使用docker export
导出
[root@Mysql dock]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
52a3ed388019 centos:latest "/bin/echo hhaha" 3 minutes ago Exited (0) 3 minutes ago mad_nobel
[root@Mysql dock]# docker export 52a3 > centos7.tar
[root@Mysql dock]# ll centos7.tar
-rw-r--r--. 1 root root 232501760 12月 25 13:59 centos7.tar
使用docker import
导入
[root@Mysql dock]# docker import
Usage: docker import URL|- [REPOSITORY[:TAG]]
[root@Mysql dock]# cat centos7.tar | docker import - letong/centos:v1
2a32c43f599401817a5fb7b82b0a18d9898a1d3145f541b0bea65cf40611c121
[root@Mysql dock]# docker images
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
letong/centos v1 2a32c43f5994 About a minute ago 224 MB