Discourse is a modern, open-source discussion and forum system. Visit [the official site](http://www.discourse.org) for a demo and a breakdown of the current feature set. This tutorial will teach you how to setup Discourse with Docker on Ubuntu 18.04. It is recommended to use at least 2GB of RAM. Always select the latest 64-bit LTS distribution. Connect to your server using SSH via the Terminal on Mac or PuTTY on Windows. ssh root@192.0.2.123 > Replace the example IP address with......