The true richness of Nginx lies within its modules. The entire application is built on a modular system, and each module can be enabled or disabled at compile time. Some bring up simple functionality such as the Autoindex module that generates a listing of the files in a directory. Some will transform your perception of a web server (such as the Rewrite module). Developers are also invited to create their own modules; a quick overview of the third-party module system can be found at the end of the chapter.
This chapter covers: