How to Install Discourse Forum with Nginx on Ubuntu 16.04

Discourse is a free and open source software for creating Internet forum community and mailing list. Discourse forum software has been used by many organizations, including Codeacademy, Udacity, Twitter Developers, and Docker Community Forum. In this tutorial, we will show you step-by-step how to install and configure Discourse Forum with Nginx web server on Ubuntu 16.04.