Description: An Nginx module is an extension that adds functionality to the Nginx web server, allowing customization and optimization of its performance according to the specific needs of various applications. These modules can be of different types, including third-party modules, which offer additional features not included in the standard installation of Nginx. The modular architecture of Nginx allows system administrators and developers to integrate functionalities such as load balancing, content compression, authentication, and handling of specific protocols, among others. The flexibility offered by these modules is one of the reasons why Nginx has become a popular choice for serving high-performance web applications. Additionally, the ability to compile Nginx with only the necessary modules allows for resource optimization, which is crucial in production environments where efficiency is paramount. In summary, Nginx modules are essential for extending the server’s capabilities, adapting it to various needs, and enhancing its overall functionality.