In this chapter, we’re going to look at web application (or web app, for short) frameworks—libraries of code that provide an easily reusable structure and design patterns for developing web applications. If you want to develop something useful for the Web, you’ll probably find a web application framework very useful, and Ruby has a wonderful selection of them, of which we’ll look at two: Rails and Sinatra.
Background
Ruby’s most famous web application framework is the Ruby on Rails, and the majority of this chapter ...
