go로 서버 뚫는 법

package main

​

import (

"fmt"

"log"

"net/http"

)

​

const port string = ":4000"

​

func home(rw http.ResponseWriter, r *http.Request) {

fmt.Fprint(rw, "hello you're a panda")

}

​

func main() {

http.HandleFunc("/", home)

fmt.Printf("listening on http://localhost%s\n", port)

log.Fatal(http.ListenAndServe(port, nil))

}