makefile

src/app.js

@@ -1,8 +1,11 @@
 const express = require('express')
 const app = express()
-app.get('/', function(request,result){
+const port = 3333
+
+app.get('/', (request, result) => {
     result.send('Hello World!')
 })
-app.listen(3333,"127.0.0.1",function(){
-    console.log('hello world')
+
+app.listen(port, () => {
+    console.log(`App listening on port ${port}`)
 })