查看“Export/import导出和导入docker容器”的源代码

==导出==
 docker  export  docker4wiki_mediawiki_1  >docker4wiki_mediawiki_1.tar

 docker  export  docker4wiki_database_1  >docker4wiki_database_1.tar

==导入==
<pre>
Import to docker via pipe and STDIN
cat ./你的导出.tar  | sudo docker import - 新的名字:1.0

Import with a commit message
$ cat exampleimage.tgz | docker import --message "New image imported from tarball" - exampleimagelocal:new

#我的命令
cat docker4wiki_database_1.tar | docker import --message "dbwiki" - imported:docker4wiki_database_1
sha256:448b3bb2fd26b1d107dfd46df75bfdd12b0e0f11e4eaef8c9c2d9d4adec289af

sudo docker images可以看到刚才导入的新镜像
REPOSITORY                  TAG                      IMAGE ID            CREATED             SIZE
imported                    docker4wiki_database_1   448b3bb2fd26        25 seconds ago      350MB


根据自己的需要开启容器

docker run -dit -v /dep:/dep -p 80:80 -p 7000-7001:7000-7001  dockertest:1.0  /bin/bash

-v 是docker目录挂载，冒号左边是本地目录，右边是docker内目录
-p 是docker端口映射，冒号左边是本地端口，右边是docker内端口



#我的命令
具体的command需要在导出容器的时候通过docker ps查看到。
ocker ps 
CONTAINER ID        IMAGE                  COMMAND                  CREATED             STATUS              PORTS                      NAMES
      mariadb                "docker-entrypoint.s…"   2 weeks ago         Up 13 days          0.0.0.0:3306->3306/tcp     docker4wiki_database_1


 docker run  --name mymariadb  -p 3306:3306 --restart always -v /data/mysql:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=2240881 -d 448b3bb2fd26 docker-entrypoint.sh
3ff1f5f0cfe027c88fe3f736181069e2bf90097ab3a47cc997212db5f73bb2cc



</pre>

https://docs.docker.com/engine/reference/commandline/export/

https://docs.docker.com/engine/reference/commandline/import/

https://blog.csdn.net/weixin_42003671/article/details/86614577

=troubleshooting=
Question
docker export : "fatal error: runtime: out of memory

Solution
[[Linux添加swap交换分区(虚拟内存)]]


导入的错误 
注意：运行导入的镜像的时候必须带command，否则启动报如下错误

    FATA[0000] Error response from daemon: No command specified  

具体的command需要在导出容器的时候通过docker ps查看到。

=see also=
[https://www.cnblogs.com/wish123/p/6573899.html docker export import后，导入镜像，启动时的错误，Error response from daemon: No command specified]

[[category:Container]]