http Routes (using gorilla mux) - pikachule/golang_notes GitHub Wiki

// routes.go
package main

import (
	"fmt"
	"net/http"

	"github.com/gorilla/mux"
)

func main() {
	userAges := map[string]int{
		"Alice":  25,
		"Bob":    30,
		"Claire": 29,
	}

	r := mux.NewRouter()
	r.HandleFunc("/users/{name}", func(w http.ResponseWriter, r *http.Request) {
		vars := mux.Vars(r)
		name := vars["name"]
		age := userAges[name]

		fmt.Fprintf(w, "%s is %d years old!", name, age)
	}).Methods("GET")

	http.ListenAndServe(":8080", r)
}

$ go run routes.go

$ curl -s http://localhost:8080/users/Bob
Bob is 30 years old!