The server we created in the REPL used the low-level HTTP module built into Node.js. This provides an API for creating a server that reads data from requests and writes to responses.
As with other programming platforms, there are frameworks available providing more useful high-level abstractions for writing web applications. These include things such as URL routing and templating engines. ASP.NET MVC, Ruby on Rails, and Spring MVC are all examples of such frameworks on different platforms.
If you get stuck at any point in this book, you can follow along with the code at https://github.com/NodeJsForDevelopers (there is a repository for each chapter and a commit for each heading that introduces any ...