How to rename docker images without rebuilding it?

 It is possible to rename the docker image by using the docker tag command. You can deploy the command mentioned below to perform the action.

    $ docker tag 01dName : tag NewName: tag

There is yet another method to rename the docker images without rebuilding it. To rneame docker container, utilize the rename sub-command as depicted in the below-mentioned example. We are renaming the container discourse_app to a fresh name disc_app

$ sudo docker rename discourse_app disc_app
After you have renamed the container, you can confirm that it is presently utilizing the new name provided.
$ sudo docker pa

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