Heroku: The Definitive Guide to the Modern PaaS is a cloud-based Platform as a Service (PaaS) that allows developers to build, run, and scale applications without the burden of managing underlying infrastructure. Since its founding in 2007 and subsequent acquisition by Salesforce , it has become a cornerstone of the "Twelve-Factor App" methodology, prioritizing developer experience and rapid deployment. Core Architecture: How Heroku Works
Heroku abstracts away the complexity of servers and networking through a set of specialized components: heroku