index js file

src/index.js

@@ -0,0 +1,19 @@
+const express = require('express');
+const app = express();
+const PORT = process.env.PORT || 3000;
+
+app.get('/', (req, res) => {
+  res.json({
+    message: 'Hello from NodeJS App!',
+    version: process.env.APP_VERSION || '1.0.0',
+    hostname: require('os').hostname()
+  });
+});
+
+app.get('/health', (req, res) => {
+  res.json({ status: 'healthy' });
+});
+
+app.listen(PORT, () => {
+  console.log(`Server running on port ${PORT}`);
+});