package main

import (
	"fmt"
	"net/http"
	"os"
)

func main() {
	p := os.Getenv("PORT")
	if p == "" {
		p = "8080"
	}
	addr := fmt.Sprintf(":%s", p)

	if err := http.ListenAndServe(addr, http.HandlerFunc(http.NotFound)); err != nil {
		panic(err)
	}
}