Rpm packages autosign with gpg

Hello everyone, i have some quastions about nexus3 repository manager.
We have Nexus3 server in docker behind nginx proxy.
Is it possible to automatically sign rpm packages with a gpg key when uploading to a repository? I did not find any information on this in the documentation, I think I found the signature of the repository using gpg, but this is not exactly what I need.
To make my question more clear, I will tell you more specifically what exactly I need:
We upload rpm packages to the repository daily using our ci, they are all unsigned, we need to automatically sign these packages with gpg somehow using nexus3, its possible?