docker(5)：docker的镜像操作

柔情只为你懂 2021-10-29 15:14 437阅读 0赞

# docker(5)：docker的镜像操作 #

## 1 **搜索****镜像****docker** search XXX ##

例如搜索Nginx

[root@docker-136 ~]# docker search nginx
    NAME                              DESCRIPTION                                     STARS               OFFICIAL            AUTOMATED
    nginx                             Official build of Nginx.                        11785               [OK]                
    jwilder/nginx-proxy               Automated Nginx reverse proxy for docker con…   1635                                    [OK]
    richarvey/nginx-php-fpm           Container running Nginx + PHP-FPM capable of…   731                                     [OK]
    ……..

搜索结果解释：

<table> 
 <tbody> 
 <tr> 
 <td> 参数 </td> 
 <td> 说明 </td> 
 </tr> 
 <tr> 
 <td> NAME </td> 
 <td> 镜像名称 </td> 
 </tr> 
 <tr> 
 <td> DESCRIPTION </td> 
 <td> 镜像说明 </td> 
 </tr> 
 <tr> 
 <td> STARS </td> 
 <td> 点赞数量 </td> 
 </tr> 
 <tr> 
 <td> OFFICIAL </td> 
 <td> 是否是官方的 </td> 
 </tr> 
 <tr> 
 <td> AUTOMATED </td> 
 <td> 是否是自动构建的 </td> 
 </tr> 
 </tbody> 
</table>

## 2 **获取镜像**docker pull XXX ##

不指定版本默认为最新版，只写名字默认在官方拉取
    [root@docker-136 ~]# docker pull httpd
    Using default tag: latest
    latest: Pulling from library/httpd
    f5d23c7fed46: Already exists 
    b083c5fd185b: Pull complete 
    bf5100a89e78: Pull complete 
    98f47fcaa52f: Pull complete 
    622a9dd8cfed: Pull complete 
    Digest: sha256:dc4c86bc90593c6e4c5b06872a7a363fc7d4eec99c5d6bfac881f7371adcb2c4
    Status: Downloaded newer image for httpd:latest
    docker.io/library/httpd:latest
    [root@docker-136 ~]#

### 拉取指定版本docker pull httpd:2.2 ###

[root@docker-136 ~]# docker pull httpd:2.2
    2.2: Pulling from library/httpd
    f49cf87b52c1: Pull complete 
    24b1e09cbcb7: Pull complete 
    8a4e0d64e915: Pull complete 
    bcbe0eb4ca51: Pull complete 
    16e370c15d38: Pull complete 
    Digest: sha256:9784d70c8ea466fabd52b0bc8cde84980324f9612380d22fbad2151df9a430eb
    Status: Downloaded newer image for httpd:2.2
    docker.io/library/httpd:2.2
    [root@docker-136 ~]# docker images        
    REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
    nginx               latest              e445ab08b2be        13 days ago         126MB
    httpd               latest              ee39f68eb241        3 weeks ago         154MB
    hello-world         latest              fce289e99eb9        7 months ago        1.84kB
    httpd 2.2                 e06c3dbbfe23        18 months ago       171MB
    [root@docker-136 ~]#

## **3** **查看镜像**docker images/docker image ls ##

## **4** **导出镜像****docker image save XX >\*.tar.gz** ##

## **5** **删除镜像docker image rm XXX** ##

[root@docker-136 ~]# docker images
    REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
    nginx               latest              e445ab08b2be        13 days ago         126MB
    httpd               latest              ee39f68eb241        3 weeks ago         154MB
    hello-world         latest              fce289e99eb9        7 months ago        1.84kB
    httpd               2.2                 e06c3dbbfe23        18 months ago       171MB
    [root@docker-136 ~]# docker image rm httpd:2.2 
    Untagged: httpd:2.2
    Untagged: httpd@sha256:9784d70c8ea466fabd52b0bc8cde84980324f9612380d22fbad2151df9a430eb
    Deleted: sha256:e06c3dbbfe239c6fca50b6ab6935b3122930fa2eea2136979e5b46ad77ecb685
    Deleted: sha256:aefd81e57d336a46bb1eb4c4626a3f971759e0e9651e348d5e83b301614b4522
    Deleted: sha256:b85fe9130aef01e870e6d0a108fd003cf803d5da7fe479513a21de0643d7ecae
    Deleted: sha256:40154da5ddb3570d82395b9c632880baca5f12ad21ea8c699f3897cd5ed9b237
    Deleted: sha256:f5863aa45770c31d7555287f821930e41bc466b97464733ccf980f16393d99d9
    Deleted: sha256:4bcdffd70da292293d059d2435c7056711fab2655f8b74f48ad0abe042b63687
    [root@docker-136 ~]# docker images
    REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
    nginx               latest              e445ab08b2be        13 days ago         126MB
    httpd               latest              ee39f68eb241        3 weeks ago         154MB
    hello-world         latest              fce289e99eb9        7 months ago        1.84kB
    [root@docker-136 ~]#

## **6** **导入镜像docker image load –i XXX** ##

[root@docker-136 ~]# docker images
    REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
    nginx               latest              e445ab08b2be        13 days ago         126MB
    httpd               latest              ee39f68eb241        3 weeks ago         154MB
    hello-world         latest              fce289e99eb9        7 months ago        1.84kB
    [root@docker-136 ~]# 
    [root@docker-136 ~]# docker image load -i docker_httpd_2.2.tar.gz 
    4bcdffd70da2: Loading layer [==================================================>]  129.3MB/129.3MB
    71436bd6f1c4: Loading layer [==================================================>]   2.56kB/2.56kB
    3f7f50ced288: Loading layer [==================================================>]  43.86MB/43.86MB
    9058feb62b4a: Loading layer [==================================================>]  6.896MB/6.896MB
    ab5efd5aec77: Loading layer [==================================================>]  3.584kB/3.584kB
    Loaded image: httpd:2.2
    [root@docker-136 ~]# docker images
    REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
    nginx               latest              e445ab08b2be        13 days ago         126MB
    httpd               latest              ee39f68eb241        3 weeks ago         154MB
    hello-world         latest              fce289e99eb9        7 months ago        1.84kB
    httpd               2.2                 e06c3dbbfe23        18 months ago       171MB
    [root@docker-136 ~]#

## **7 ** **查看镜像的详细信息docker image inspect** ##

![ContractedBlock.gif][] ![ExpandedBlockStart.gif][]

[root@docker-136 ~]# docker image inspect nginx
 [
 {
 "Id": "sha256:e445ab08b2be8b178655b714f89e5db9504f67defd5c7408a00bade679a50d44",
 "RepoTags": [
 "nginx:latest"
 ],
 "RepoDigests": [
 "nginx@sha256:eb3320e2f9ca409b7c0aa71aea3cf7ce7d018f03a372564dbdb023646958770b"
 ],
 "Parent": "",
 "Comment": "",
 "Created": "2019-07-23T19:59:08.879181657Z",
 "Container": "c863d9d5564c77538fa9ae5d46d088aeff1fe21f21da3af224b2ebf9e5dafe73",
 "ContainerConfig": {
 "Hostname": "c863d9d5564c",
 "Domainname": "",
 "User": "",
 "AttachStdin": false,
 "AttachStdout": false,
 "AttachStderr": false,
 "ExposedPorts": {
 "80/tcp": {}
 },
 "Tty": false,
 "OpenStdin": false,
 "StdinOnce": false,
 "Env": [
 "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
 "NGINX_VERSION=1.17.2",
 "NJS_VERSION=0.3.3",
 "PKG_RELEASE=1~buster"
 ],
 "Cmd": [
 "/bin/sh",
 "-c",
 "#(nop) ",
 "CMD [\"nginx\" \"-g\" \"daemon off;\"]"
 ],
 "ArgsEscaped": true,
 "Image": "sha256:efa26677587b22b262ca9d50b41608a85c6f86e05b16f98da4e762ab6223a31a",
 "Volumes": null,
 "WorkingDir": "",
 "Entrypoint": null,
 "OnBuild": null,
 "Labels": {
 "maintainer": "NGINX Docker Maintainers <docker-maint@nginx.com>"
 },
 "StopSignal": "SIGTERM"
 },
 "DockerVersion": "18.06.1-ce",
 "Author": "",
 "Config": {
 "Hostname": "",
 "Domainname": "",
 "User": "",
 "AttachStdin": false,
 "AttachStdout": false,
 "AttachStderr": false,
 "ExposedPorts": {
 "80/tcp": {}
 },
 "Tty": false,
 "OpenStdin": false,
 "StdinOnce": false,
 "Env": [
 "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
 "NGINX_VERSION=1.17.2",
 "NJS_VERSION=0.3.3",
 "PKG_RELEASE=1~buster"
 ],
 "Cmd": [
 "nginx",
 "-g",
 "daemon off;"
 ],
 "ArgsEscaped": true,
 "Image": "sha256:efa26677587b22b262ca9d50b41608a85c6f86e05b16f98da4e762ab6223a31a",
 "Volumes": null,
 "WorkingDir": "",
 "Entrypoint": null,
 "OnBuild": null,
 "Labels": {
 "maintainer": "NGINX Docker Maintainers <docker-maint@nginx.com>"
 },
 "StopSignal": "SIGTERM"
 },
 "Architecture": "amd64",
 "Os": "linux",
 "Size": 125850346,
 "VirtualSize": 125850346,
 "GraphDriver": {
 "Data": {
 "LowerDir": "/var/lib/docker/overlay2/3b3bdb780578fb73e3790a01ee64f882827efbc55a2033e77724422aa266a81b/diff:/var/lib/docker/overlay2/e1aa1fea00354331c6473874dadcc26c37367a93272c99e9a9152386f865f674/diff",
 "MergedDir": "/var/lib/docker/overlay2/2164493c0285dd83915545bdbc41f4bac079db401c236ff2301e8793445b4a86/merged",
 "UpperDir": "/var/lib/docker/overlay2/2164493c0285dd83915545bdbc41f4bac079db401c236ff2301e8793445b4a86/diff",
 "WorkDir": "/var/lib/docker/overlay2/2164493c0285dd83915545bdbc41f4bac079db401c236ff2301e8793445b4a86/work"
 },
 "Name": "overlay2"
 },
 "RootFS": {
 "Type": "layers",
 "Layers": [
 "sha256:d8a33133e477d367977987129313d9072e0ec80894ed4c52c2d88186f354c29a",
 "sha256:d0673244f7d49ae9ae0644216eab054081add3b4af4afecea2f885e722367719",
 "sha256:fe6a7a3b3f27025052f52b030f77d2ccf222bfd5af25522fbd418e4b9c91f325"
 ]
 },
 "Metadata": {
 "LastTagTime": "0001-01-01T00:00:00Z"
 }
 }
 ]

转载于:https://www.cnblogs.com/wangxu01/articles/11310404.html

[ContractedBlock.gif]: https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif
[ExpandedBlockStart.gif]: /images/20211029/c184f32d4b1940438de819d9d94c46da.png