http://stackoverflow.com/questions/42006921/gorilla-mux-http-package#42006921

main.go

package main

import (
	"io"
	"log"

	"net/http"

	selfdiagnose "github.com/emicklei/go-selfdiagnose"
	"github.com/gorilla/mux"
)

func homeHandler(w http.ResponseWriter, r *http.Request) {
	io.WriteString(w, "home")
}

func main() {
	r := mux.NewRouter()
	r.HandleFunc("/", homeHandler)
	r.HandleFunc("/debug", selfdiagnose.HandleSelfdiagnose)

	selfdiagnose.AddInternalHandlers()

	// when handler (nil) gets replaced with mux (r), then the
	// handlers in package selfdiagnose are not "active"
	// err := http.ListenAndServe(":8080", nil)
	err := http.ListenAndServe(":8080", r)
	if err != nil {
		log.Println(err)
	}

}