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 (., "John Hannibal Smith <hannibal@>")
-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. xian:1.0
[root@dangcafe home]# ls
cjm-xjd dangcafe docker docker-18.03. kong-1. python37_miniconda_oracleclient12_centos7_base.tar xian_1.
[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]#