Docker之提交镜像

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commit提交镜像
docker commit 提交容器成为一个新的副本

#命令
docker commit -m=“提交的描述信息” -a=“作者” 容器ID 目标镜像名:[tag]

[root@liuyang local]# docker commit -a='liuyang' -m="centos_ly" 35cfd4624056 centos:1.2
sha256:c7755e562e146c1382e55b53887aa47bfd52314a05ee2c4a947340e0aec67266
[root@liuyang local]# docker ps
CONTAINER ID   IMAGE     COMMAND             CREATED              STATUS              PORTS      NAMES
35cfd4624056   centos    "/bin/bash"         About a minute ago   Up About a minute              lucid_elgamal
c67b2a575a6e   tomcat    "catalina.sh run"   9 minutes ago        Up 9 minutes        8080/tcp   cranky_sanderson
[root@liuyang local]# docker images
REPOSITORY   TAG       IMAGE ID       CREATED         SIZE
centos       1.2       c7755e562e14   7 seconds ago   209MB
tomcat       latest    040bdb29ab37   8 weeks ago     649MB
centos       latest    300e315adb2f   3 months ago    209MB