docker-修改容器的挂载目录三种方式

Posted by Sunfy on 2021-03-03
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docker-修改容器的挂载目录三种方式

方式一:修改配置文件

(需停止docker服务)
1、停止docker服务
systemctl stop docker.service(关键,修改之前必须停止docker服务)
2、vim /var/lib/docker/containers/container-ID/config.v2.json
修改配置文件中的目录位置,然后保存退出

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"MountPoints":{"/home":{"Source":"/docker","Destination":"/home","RW":true,"Name":"","Driver":"","Type":"bind","Propagation":"rprivate","Spec":{"Type":"bind","Source":"//docker/","Target":"/home"}}}

3、启动docker服务
systemctl start docker.service
4、启动docker容器
docker start

方式二:提交现有容器为新镜像,然后重新运行它

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$ docker ps  -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
5a3422adeead ubuntu:14.04 "/bin/bash" About a minute ago Exited (0) About a minute ago agitated_newton
$ docker commit 5a3422adeead newimagename
$ docker run -ti -v "$PWD/dir1":/dir1 -v "$PWD/dir2":/dir2 newimagename /bin/bash

然后停止旧容器,并使用这个新容器,如果由于某种原因需要新容器使用旧名称,请在删除旧容器后使用docker rename。

方式三:export容器为镜像,然后import为新镜像

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$docker container export -o ./myimage.docker 容器ID
$docker import ./myimage.docker newimagename
$docker run -ti -v "$PWD/dir1":/dir1 -v "$PWD/dir2":/dir2 newimagename /bin/bash

然后停止旧容器,并使用这个新容器,如果由于某种原因需要新容器使用旧名称,请在删除旧容器后使用docker rename。


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