Golang Simple HTTP Server

server.go

package main

import (
	"log"
	"net/http"
)

func main() {
	mux := http.NewServeMux()
	mux.HandleFunc("/", func(writer http.ResponseWriter, request *http.Request) {
		http.ServeFile(writer, request, request.URL.Path[1:])
	})
	server := http.Server{Addr: ":80", Handler: mux}
	log.Println(server.ListenAndServe())
}