Cyberpanel VPS/Server OS Template recommendations?

Is there any documentation on what’s best recommended way to make OS template for having Cyberpanel VPS’s deployment automated?

cPanel has a nice page on what stuff needs to be customized or removed to make it work.

Is there anything like this for Service Providers looking to build CyberPanel OS templates? or are the few places with templates all just building by hand and updating from there?

Looking to build a cloud-init style proxmox based image.

Here is a complete guide about how you can do that.

This guide works for Ubuntu and Centos but I recommend Centos 7.x

thanks much appreciated.