Create app.js

app.js

@@ -0,0 +1,14 @@
+'use strict';
+
+const express = require('express')
+const app = express();
+
+const port = 7860;
+const host = '0.0.0.0';
+
+app.get('/', (req, res) => {
+  res.send('Hello World from IBM Cloud Essentials!');
+})
+
+app.listen(port, host);
+console.log(`Running on http://${host}:${port}`);