You have started a container in Docker, made configuration changes to it, and stopped the container. You notice the next time that you execute the docker run command, the changes have not persisted.
What is the problem?

Question

You have started a container in Docker, made configuration changes to it, and stopped the container. You notice the next time that you execute the docker run command, the changes have not persisted.

What is the problem?

Johan Wu · Accepted Answer

The docker run command starts a new copy of the container, not the existing version.

Johan Wu · Answer

The docker load command must be used to persist the change.

Johan Wu · Answer

Docker images need to be recompiled to make any changes.

Johan Wu · Answer

The docker exec command needs to be run first to save and exit the running container.

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