关于docker的save的用法以及示例
[root@dangcafe home]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES [root@dangcafe home]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE kong 1.0 86256957228d 2 months ago 2.87GB centos v1 1024ee7245d7 2 months ago 1.03GB [root@dangcafe home]# docker commit --help Usage: docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]] Create a new image from a container's changes Options: -a, --author string Author (e.g., "John Hannibal Smith <hannibal@a-team.com>") -c, --change list Apply Dockerfile instruction to the created image -m, --message string Commit message -p, --pause Pause container during commit (default true) [root@dangcafe home]# docker commit 073a904098fa xian:1.0 sha256:50a5c7165c3bc75ff068524b6ac6b15a6d9032211fa489715fd5eee670580690 [root@dangcafe home]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE xian 1.0 50a5c7165c3b 9 seconds ago 2.25GB kong 1.0 86256957228d 2 months ago 2.87GB centos v1 1024ee7245d7 2 months ago 1.03GB [root@dangcafe home]# docker save -o xian_1.0.tar xian:1.0 [root@dangcafe home]# ls cjm-xjd dangcafe docker docker-18.03.1-ce.tgz kong-1.0.tar python37_miniconda_oracleclient12_centos7_base.tar xian_1.0.tar [root@dangcafe home]# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 073a904098fa 1024ee7245d7 "bash" 9 hours ago Exited (137) 16 minutes ago focused_hugle 6714a081807d 86256957228d "bash" 9 hours ago Exited (137) 12 hours ago stupefied_borg [root@dangcafe home]#