How to Build a Web App with and without Rails Libraries
How would we build a web application only using the standard Ruby libraries? In this article, I’ll break down the key foundational concepts of how a web application works while building one from the ground up. If we can build a web application only using Ruby libraries, why would we need web server interfaces like Rack and web applications like Ruby on Rails? By the end of this article, you’ll gain a new appreciation for Rails and its magic.
原文：https://www.a8q9.cn/en/article/how-to-build-a-web-app-with-and-without-rails-libraries-25d892.html