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How to export Docker Containers?
How to import Exported Tar file an image?
What is use of export and import feature in docker containers?


Today i will demonstrate export and import feature of docker containers.


Docker export
Description

Export a container’s filesystem as a tar archive
Usage

docker export [OPTIONS] CONTAINER

Extended description

The docker export command does not export the contents of volumes associated with the container. If a volume is mounted on top of an existing directory in the container, docker export will export the contents of the underlying directory, not the contents of the volume.s

--output , -o Write to a file, instead of STDOUT

$ docker export red_panda (greaterthan angle bracket symbol) latest.tar
or
$ docker export --output="latest.tar" red_panda
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docker import
Description
Import the contents from a tarball to create a filesystem image
Usage
docker import [OPTIONS] file|URL|- [REPOSITORY[:TAG]]
$ docker import /path/to/exampleimage.tgz
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To extract tar file & check its content
$ mkdir Ubuntu && tar -xf mybackup.tar -C Ubuntu
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Reference
https://docs.docker.com/engine/refere...

#dockertutorials #docker #dockerbasiccommands