Simple http handler using Go

main.go

package main

import (
	"net/http"
	"fmt"
)

func main() {
	http.HandleFunc("/", helloWorldHandler)
	http.ListenAndServe(":8080", nil)
}

func helloWorldHandler(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintf(w, "Hello world")
}