Update index.js

server/index.js

@@ -1,37 +1,45 @@
+// Load environment variables from .env file
 require('dotenv').config();
+
+// Import necessary modules
 const express = require('express');
 const chalk = require('chalk');
 const cors = require('cors');
 const helmet = require('helmet');
 
+// Import configuration and utility modules
 const keys = require('./config/keys');
 const routes = require('./routes');
 const socket = require('./socket');
 const setupDB = require('./utils/db');
 
+// Destructure the port from keys
 const { port } = keys;
+
+// Initialize the Express application
 const app = express();
 
+// Middleware setup
 app.use(express.urlencoded({ extended: true }));
 app.use(express.json());
-app.use(
-  helmet({
-    contentSecurityPolicy: false,
-    frameguard: true
-  })
-);
+app.use(helmet({ contentSecurityPolicy: false, frameguard: true }));
 app.use(cors());
 
+// Database setup
 setupDB();
+
+// Passport configuration
 require('./config/passport')(app);
+
+// Set up routes
 app.use(routes);
 
+// Start the server
 const server = app.listen(port, () => {
   console.log(
-    `${chalk.green('✓')} ${chalk.blue(
-      `Listening on port ${port}. Visit http://localhost:${port}/ in your browser.`
-    )}`
+    `${chalk.green('✓')} ${chalk.blue(`Listening on port ${port}. Visit http://localhost:${port}/ in your browser.`)}`
   );
 });
 
+// Initialize socket connections
 socket(server);