Express Js - Router And Routes
router.route( ) and
A brief discussion about best practices for organizing your routes is also held.
Starter and ending sample code from the video - https://gist.github.com/prof3ssorSt3v3/2a196fb1c0f97216516b3a47f51e8c51
Express Routing Guide - http://expressjs.com/en/guide/routing.html