updated as per latest Express syntax

server.js

@@ -2,7 +2,7 @@ const express = require('express');
 const bodyParser = require('body-parser');
 const app = express();
 
-app.use(bodyParser.urlencoded({extended: true}));
+app.use(express.json());
 
 app.get('/', (req, res) => {
     res.send('Hello from App Engine!');