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文字

描述

根据容器的更改创建新图像

使用

docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]

备选方案

名字,简写

默认

描述

--author, -a


作者(例如,“John Hannibal Smith hannibal@a-team.com”)

--change, -c


将Dockerfile指令应用于创建的映像

--message, -m


提交消息

--pause, -p

true

在提交期间暂停容器

父命令

命令

描述

docker

Docker CLI的基本命令。

扩展描述

将容器的文件更改或设置提交到新映像可能很有用。这允许您通过运行交互式shell来调试容器,或者将工作数据集导出到另一台服务器。一般来说,最好使用Dockerfiles以文件化和可维护的方式管理您的图像。详细了解有效的图片名称和标签。

提交操作将不包括安装在容器内的卷中包含的任何数据。

默认情况下,提交的容器及其进程将在图像提交时暂停。这可以降低创建提交过程中遇到数据损坏的可能性。如果此行为不受欢迎,请将该--pause选项设置为false。

--change选项将对Dockerfile创建的图像应用说明。支持的Dockerfile说明:CMD| ENTRYPOINT| ENV| EXPOSE| LABEL| ONBUILD| USER| VOLUME|WORKDIR

实例

提交容器

$ docker ps

CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS              NAMES
c3f279d17e0a        ubuntu:12.04        /bin/bash           7 days ago          Up 25 hours                            desperate_dubinsky
197387f1b436        ubuntu:12.04        /bin/bash           7 days ago          Up 25 hours                            focused_hamilton

$ docker commit c3f279d17e0a  svendowideit/testimage:version3

f5283438590d

$ docker images

REPOSITORY                        TAG                 ID                  CREATED             SIZE
svendowideit/testimage            version3            f5283438590d        16 seconds ago      335.7 MB

提交具有新配置的容器

$ docker ps

CONTAINER ID       IMAGE               COMMAND             CREATED             STATUS              PORTS              NAMES
c3f279d17e0a        ubuntu:12.04        /bin/bash           7 days ago          Up 25 hours                            desperate_dubinsky
197387f1b436        ubuntu:12.04        /bin/bash           7 days ago          Up 25 hours                            focused_hamilton

$ docker inspect -f "{{ .Config.Env }}" c3f279d17e0a[HOME=/ PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin]$ docker commit --change "ENV DEBUG true" c3f279d17e0a  svendowideit/testimage:version3

f5283438590d

$ docker inspect -f "{{ .Config.Env }}" f5283438590d[HOME=/ PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin DEBUG=true]

提交新的CMDEXPOSE说明的容器

$ docker ps

CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS              NAMES
c3f279d17e0a        ubuntu:12.04        /bin/bash           7 days ago          Up 25 hours                            desperate_dubinsky
197387f1b436        ubuntu:12.04        /bin/bash           7 days ago          Up 25 hours                            focused_hamilton

$ docker commit --change='CMD ["apachectl", "-DFOREGROUND"]' -c "EXPOSE 80" c3f279d17e0a  svendowideit/testimage:version4

f5283438590d

$ docker run -d svendowideit/testimage:version4

89373736e2e7f00bc149bd783073ac43d0507da250e999f3f1036e0db60817c0

$ docker ps

CONTAINER ID        IMAGE               COMMAND                 CREATED             STATUS              PORTS              NAMES
89373736e2e7        testimage:version4  "apachectl -DFOREGROU"  3 seconds ago       Up 2 seconds        80/tcp             distracted_fermat
c3f279d17e0a        ubuntu:12.04        /bin/bash               7 days ago          Up 25 hours                            desperate_dubinsky
197387f1b436        ubuntu:12.04        /bin/bash               7 days ago          Up 25 hours                            focused_hamilton
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