# Guide

- [Routing](/merly/guide/routing.md): Routing refers to the way an application's endpoints are defined.
- [Start](/merly/guide/start.md): The start function allows to take off the files in a specific IP address and port.
- [Headers](/merly/guide/headers.md): It is possible to configure the headers returned by the framework
- [CORS](/merly/guide/cors.md)
- [Http methods available](/merly/guide/http-methods-available.md)
- [Statics files](/merly/guide/statics-files.md): webserverfiles allows serving static files like images, CSS, and JavaScript.
- [Custom 404 Handler](/merly/guide/custom-404-handler.md): It is possible to return a personalized message when a route cannot be found.
- [Body parser](/merly/guide/bodyparser.md): The data sent sent in the body of a request of a client, can be processed previously.
- [Middleware](/merly/guide/middleware.md): It is possible to execute functions before or after the function associated with an endpoint, this in order to reprocess certain data or carry out previous validations.