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@@ -2,24 +2,24 @@
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###导出容器
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如果要导出本地某个容器,可以使用 `docker export` 命令。
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```
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```bash
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$ docker ps -a
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CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
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7691a814370e ubuntu:14.04 "/bin/bash" 36 hours ago Exited (0) 21 hours ago test
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$ sudo docker export 7691a814370e > ubuntu.tar
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$ docker export 7691a814370e > ubuntu.tar
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```
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这样将导出容器快照到本地文件。
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###导入容器快照
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可以使用 `docker import` 从容器快照文件中再导入为镜像,例如
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```
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$ cat ubuntu.tar | sudo docker import - test/ubuntu:v1.0
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```bash
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$ cat ubuntu.tar | docker import - test/ubuntu:v1.0
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$ docker images
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REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
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test/ubuntu v1.0 9d37a6082e97 About a minute ago 171.3 MB
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```
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此外,也可以通过指定 URL 或者某个目录来导入,例如
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```
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```bash
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$ docker import http://example.com/exampleimage.tgz example/imagerepo
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```
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