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docker commit 提交容器成为一个新的副本

docker commit -m="提交的描述信息" -a="作者" 容器Id 目标镜像名:[TAG]

docker commit -m="add webapps" -a="CCCZG" ba4efec0c5d4 mytomcat:1.0
sha256:1ec080b97e83b548a8ebb8152bfb5f3b747d7f27f0bcd565fb088361e9f1b0d9
mac@MacdeMacBook-Pro ~ % docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
ba4efec0c5d4 tomcat "catalina.sh run" 3 minutes ago Up 3 minutes 0.0.0.0:8080->8080/tcp, :::8080->8080/tcp naughty_noether
85a4e70072e5 portainer/portainer "/portainer" 5 hours ago Up 5 hours 0.0.0.0:8088->9000/tcp, :::8088->9000/tcp elated_cerf
mac@MacdeMacBook-Pro ~ % docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
mytomcat 1.0 1ec080b97e83 9 seconds ago 672MB
tomcat latest c43a65faae57 9 days ago 667MB
redis latest bc8d70f9ef6c 10 days ago 105MB
nginx latest f0b8a9a54136 11 days ago 133MB
mysql latest c0cdc95609f1 11 days ago 556MB
portainer/portainer latest 580c0e4e98b0 2 months ago 79.1MB
centos latest 300e315adb2f 5 months ago 209MB