How to install EspoCRM with Nginx on an Ubuntu VPS

In this tutorial we are going to provide you with step-by-step instructions on how to install EspoCRM 3.7.2 with Nginx on an Ubuntu VPS.
EspoCRM is an open source Customer Relationship Management web application that allows you to see, enter and evaluate all your company relationships regardless of the type. It is designed to be fast, simple, and customizable.