Refactor code structure for improved readability and maintainability

Q1/server.js

@@ -1,35 +1,44 @@
 const express = require('express');
 const cors = require('cors');
+const path = require('path');
+
 const app = express();
 
 app.use(cors());
 
+// --- Simple in-memory metrics (reset when the process restarts) ---------
 let requestCount = 0;
 let lastResponseTime = 0;
 
 app.use((req, res, next) => {
-    requestCount++;
-    const start = Date.now();
-    res.on('finish', () => {
-        lastResponseTime = Date.now() - start;
-    });
-    next();
+  requestCount++;
+  const start = Date.now();
+  res.on('finish', () => {
+    lastResponseTime = Date.now() - start;
+  });
+  next();
 });
 
+// Serve the dashboard (public/index.html) at the root, plus any static assets
+app.use(express.static(path.join(__dirname, 'public')));
+
+// --- Health check used by the monitor script and by ghaymah's platform --
 app.get('/health', (req, res) => {
-    res.json({
-        status: 'Online',
-        uptime_seconds: process.uptime(),
-        request_count: requestCount,
-        response_time_ms: lastResponseTime
-    });
+  res.json({
+    status: 'Online',
+    uptime_seconds: Math.round(process.uptime()),
+    request_count: requestCount,
+    response_time_ms: lastResponseTime,
+    timestamp: new Date().toISOString(),
+  });
 });
 
-app.get('/', (req, res) => {
-    res.send('Welcome to the Backend API!');
+// Plain-text info route, separate from the dashboard which now owns '/'
+app.get('/api', (req, res) => {
+  res.send('Welcome to the Backend API! Health check available at /health');
 });
 
 const PORT = process.env.PORT || 3000;
-app.listen(PORT, () => {
-    console.log(`API is running on port ${PORT}`);
+app.listen(PORT, '0.0.0.0', () => {
+  console.log(`API is running on port ${PORT}`);
 });