docker save
Description
Save one or more images to a tar archive (streamed to STDOUT by default)
Example
docker container run -it --name webserver -p 80:80 -d nginx
docker save webserver > mywebserver.tar
A file mywebserver.tar should be created which can be shared with others so that they can also load it in their repoistory.
docker load
Description
Load an image from a tar archive or STDIN
Example
docker load < mywebserver.tar
Docker Export and Import
docker export command is used to create a tar file from running/stopped container
docker import command to load the tar file into a docker image
docker export c2 -o img.tar
docker import img.tar test/img1
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