docker基础命令以及常用命令

docker 基本命令

1.其他命令

#查看版本
docker version

#查看信息
docker info

#查询某个命令的相关帮助
docker xxx --help 
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2.镜像相关命令

-a :列出本地所有的镜像（含中间映像层，默认情况下，过滤掉中间映像层）；

–digests :显示镜像的摘要信息；

-f :显示满足条件的镜像；

–format :指定返回值的模板文件；

–no-trunc :显示完整的镜像信息；

-q :只显示镜像ID。

#查看本地镜像 
[root@localhost ~]# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
hello-world         latest              bf756fb1ae65        8 months ago        13.3kB
#查看所有镜像 
[root@localhost ~]# docker images -a
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
hello-world         latest              bf756fb1ae65        8 months ago        13.3kB
#查看所有镜像的id 
[root@localhost ~]# docker images -aq
bf756fb1ae65
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3.搜索镜像

[root@localhost ~]# docker search tomcat
NAME                          DESCRIPTION                                     STARS               OFFICIAL            AUTOMATED
tomcat                        Apache Tomcat is an open source implementati…   2827                [OK]                
tomee                         Apache TomEE is an all-Apache Java EE certif…   83                  [OK]            
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4.拉取镜像

#默认下载的是最新版本的镜像
[root@localhost ~]# docker pull tomcat
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5.删除镜像

删除指定镜像 ：docker rmi 镜像id

[root@localhost ~]# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
tomcat              8.5                 34aaa1851899        4 days ago          530MB
tomcat              latest              5f47aad0b70e        4 days ago          647MB
hello-world         latest              bf756fb1ae65        8 months ago        13.3kB
#可根据镜像id或名称删除，也可以在后面用空格分隔一次删除多个镜像
[root@localhost ~]# docker rmi 5f47aad0b70e
Untagged: tomcat:latest
Untagged: tomcat@sha256:c2b033c9cee06d6a3eb5a4d082935bbb8afee7478e97dcd6bc452bb6ab28da4b
Deleted: sha256:5f47aad0b70e1d6a8324543d3b7536f23baaaf09b09661dbf4e52d7b822c0157
Deleted: sha256:34ccbdf0c4b338bbe26a4c349d517fb7662b65611bd02c35f72358838aeac6b1
Deleted: sha256:5bc61859d971832370605e0fb8d1fe41e0550e3841043de1c19d971691efd4c4
Deleted: sha256:a6f52ba4967c48d8aba223ff71a9764d2dacd53490af3d1e73da96cc66f3e05b
Deleted: sha256:b0cb8e4a85df51db4e5fe10dfa149b2b3f1170c7a3a8d33b0c5ef6e104b9a980
Deleted: sha256:6a05ecc17b6c6bc8a97223bf4a04aa5ad34084270d86ca0605bf5a603e1656f4
[root@localhost ~]# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
tomcat              8.5                 34aaa1851899        4 days ago          530MB
hello-world         latest              bf756fb1ae65        8 months ago        13.3kB
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已生成容器的镜像无法删除，需要先删除容器，或者用 -f 强制删除

[root@localhost ~]# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
hello-world         latest              bf756fb1ae65        8 months ago        13.3kB
[root@localhost ~]# docker rmi bf756fb1ae65
Error response from daemon: conflict: unable to delete bf756fb1ae65 (must be forced) - image is being used by stopped container 764b1fdde2be
[root@localhost ~]# docker rmi -f bf756fb1ae65
Untagged: hello-world:latest
Untagged: hello-world@sha256:4cf9c47f86df71d48364001ede3a4fcd85ae80ce02ebad74156906caff5378bc
Deleted: sha256:bf756fb1ae65adf866bd8c456593cd24beb6a0a061dedf42b26a993176745f6b
[root@localhost ~]# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
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删除所有镜像

#删除所有镜像
docker rmi $(docker images -qa)
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容器相关命令