Docker命令之save和load

素颜马尾好姑娘i 2022-02-17 11:56 586阅读 0赞

## 应用场景 ##

**`镜像(Images)`之间离线打包传输,内网传输的时候适用**

***注意点： save和load方法是对镜像进行打包和载入操作***

## 案例代码 ##

*  docker save :

# 将redis:4.0.12打包成文件类型
    [root@giraffe-dachao local]# docker images
    REPOSITORY              TAG                 IMAGE ID            CREATED             SIZE
    redis                   4.0.12              3ddb7885a5e0        2 months ago        83.4MB
    
    # 将redis:4.0.12镜像打包成redis4.0.12.tar包（注意打包的名称最好为repositoryName+TAGName）
    [root@giraffe-dachao local]# docker save redis:4.0.12 -o redis4.0.12.tar
    [root@giraffe-dachao local]# ll
    -rw-------  1 root root  86722048 Apr 18 11:34 redis4.0.12.tar
    
    # 通过load加载打包后的文件
    [root@giraffe-dachao local]# docker load -i redis4.0.12.tar
    0a07e81f5da3: Loading layer [==================================================>]  58.47MB/58.47MB
    943fb767d810: Loading layer [==================================================>]  338.4kB/338.4kB
    16d37f04beb4: Loading layer [==================================================>]  3.034MB/3.034MB
    fab516d2d214: Loading layer [==================================================>]  24.84MB/24.84MB
    1316b465c573: Loading layer [==================================================>]  1.536kB/1.536kB
    10c5a039eb5a: Loading layer [==================================================>]  3.584kB/3.584kB
    Loaded image: redis:4.0.12
    [root@giraffe-dachao local]# docker images
    REPOSITORY              TAG                 IMAGE ID            CREATED             SIZE
    redis                   4.0.12              3ddb7885a5e0        2 months ago        83.4MB

## 官方文档 ##

*  [https://docs.docker.com/engine/reference/commandline/save/][https_docs.docker.com_engine_reference_commandline_save]
 *  [https://docs.docker.com/engine/reference/commandline/load/][https_docs.docker.com_engine_reference_commandline_load]

[https_docs.docker.com_engine_reference_commandline_save]: https://docs.docker.com/engine/reference/commandline/save/
[https_docs.docker.com_engine_reference_commandline_load]: https://docs.docker.com/engine/reference/commandline/load/