Web server sederhana dengan golang

static.go

package main

import (
	"fmt"
	"net/http"
)

var routes map[string]func(http.ResponseWriter, *http.Request)

func main() {

	routes = make(map[string]func(http.ResponseWriter, *http.Request))
	routes["/hello"] = hello
	routes["/"] = home

	server := http.Server{
		Addr:    ":8080",
		Handler: &httpHandler{},
	}

	server.ListenAndServe()
}

// Home endpoint
func home(rw http.ResponseWriter, req *http.Request) {
	fmt.Fprint(rw, "Home")
}

// Say hello endpoint
func hello(rw http.ResponseWriter, req *http.Request) {
	fmt.Fprint(rw, "Hello World")
}

// HTTP Handler
type httpHandler struct{}

// Handling http request
func (handler *httpHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
	if endpoint, ok := routes[req.URL.String()]; ok {
		endpoint(rw, req)
	}
}