Discourse is open source forum software that powers most small to medium scale private or special-interest forums nowadays. It's built in Ruby on Rails with an Ember.js frontend.
Before I started learning React, when I only had a very limited understanding of web architecture, I had an idea to install an instance of Discourse and retrofit it to meet Radical Directory's needs. So, this is what I tried to do.
I created a DigitalOcean droplet with Ubuntu 18.04, and learned