Can't use yum inside Docker container running on CentOS

Question

I am unable to run any yum commands inside my Docker container without getting the following error:

ovl: Error while doing RPMdb copy-up:
[Errno 13] Permissi         


        

Answer 1

Turns out the user was set to jboss in the base image.
When is switched to user root with the dockerfile command USER root everything worked.