An HTTP server is primarily a piece of software that will deliver web pages to clients when requested. These web pages can be anything from a simple HTML file on disk to a multicomponent framework delivering user-specific content, dynamically updated through AJAX or WebSocket. NGINX is modular, and is designed to handle any kind of HTTP serving necessary.
In this chapter, we will investigate the various modules that work together to make NGINX such a scalable HTTP server. The following topics are included in this chapter: