How to copy Docker images from one host to another without using a repository

Question

How do I transfer a Docker image from one machine to another one without using a repository, no matter private or public?

I create my own image in VirtualBox, and wh

Answer 1

First save the Docker image to a zip file:

docker save  | gzip > .tar.gz

Then load the exported image to Docker using the below command:

zcat .tar.gz | docker load