Hands-On RESTful Web Services with Go - Second Edition

Fundamentals of gorilla/mux

The gorilla/mux package primarily helps to create routers, similar to httprouter. The difference between both is the attachment of a handler function to a given URL. If we observe, the gorilla/mux way of attaching a handler is similar to that of basic ServeMux. Unlike httprouter, gorilla/mux wraps all the information of an HTTP request into a single request object.

The three important tools provided in the gorilla/mux API are:

• The mux.NewRouter method
• The *http.Request object
• The *http.ResponseWriter object

The NewRouter method creates a new router object. That object basically maps a route to a function handler. gorilla/mux passes a modified *http.Request and *http.ResponseWriter object to the function handler. ...