My brother is an organic farmer.
I'm a digital farmer.
There is no official way of creating a wiki farm. But there are many wiki farms. And there are people working on standardizing and improving how wiki farming works.
See
https://github.com/uncyclomedia/mediawiki-config/blob/master/LocalSettings.php
Also, Cindy Cicalese steps through her expert setup at https://collaborate.mitre.org/gestalt/index.php/The_Why_And_How_of_Wiki_Farms Code for automating this with Ansible is at https://github.com/wikimedia/mediawiki-tools-ansible-wikifarm
