What is Heroku? Heroku is a cloud application platform for building and deploying web apps. Heroku provides better UI for cloud application as cloud platform setup is done through CLI . Heroku lets app developers spend their time on their application code, not managing servers . Heroku is a multi-language cloud application platform that enables developers to deploy, scale, and manage their applications. History Heroku was initially developed by James Lindenbaum, Adam Wiggins,and Orion Henry for supporting projects that were compatible with the Ruby programming platform known as Rack. The prototype development took around six months. Heroku was acquired by Salesforce.com in 2010 for $212 million. Heroku Working model Heroku lets you deploy, run and manage applications written in Ruby, Node.js, Java, Python, Clojure, Scala, Go and PHP. An application is a collection of source code written in one of these languages, perhaps a framework, and some dependency description that instructs