This repository has been archived. The builder image factory is now a part of the main nwnxee/unified repository and docker images are built through GitHub actions.
The instructions for building your own image as described below have not changed.
git clone https://github.com/nwnxee/unified.git
cd unified
./Scripts/rundockerbuild.sh
For further details see the nwnxee README.