fix:connection lost

backend/server.js

@@ -7,31 +7,17 @@ import fs from 'fs';
 import path from 'path';
 import { fileURLToPath } from 'url';
 import dotenv from 'dotenv';
-import mysql from 'mysql2/promise';
 import managerRoutes from './managerRoutes.js';
 import workerRoutes from './workerRoutes.js';
-import { APP_TIMEZONE } from './config/db.js'
+import { getConnection } from './pool.js'
 
 async function startServer() {
   dotenv.config({ path: path.join(path.dirname(fileURLToPath(import.meta.url)), '.env') });
 
   const app = express();
 
-  const db = mysql.createPool({
-    host: process.env.DB_HOST,
-    user: process.env.DB_USER,
-    password: process.env.DB_PASSWORD,
-    database: process.env.DB_NAME,
-    port: process.env.DB_PORT,
-    waitForConnections: true,
-    connectionLimit: 10,
-    queueLimit: 0,
-    timezone: APP_TIMEZONE,
-    dateStrings: true
-  });
-
   try {
-    const connection = await db.getConnection();
+    const connection = await getConnection();
     console.log('Database connected successfully!');
     connection.release();
   } catch (error) {
@@ -56,7 +42,7 @@ async function startServer() {
     },
     credentials: true,
     methods: ['GET', 'POST', 'PUT', 'DELETE', 'OPTIONS'],
-    allowedHeaders: ['Content-Type', 'Authorization', 'ngrok-skip-browser-warning'],
+    allowedHeaders: ['Content-Type', 'Authorization', 'ngrok-skip-browser-warning', 'X-User-Timezone'], //added X-User-Timezone for my development (Edison)
     exposedHeaders: ['Content-Range', 'X-Content-Range'],
   };
 
@@ -79,8 +65,8 @@ async function startServer() {
     app.get('/time', timeHandler);       // public path
     app.get('/api/time', timeHandler);   // also under /api
 
-  app.use('/api/managers', managerRoutes(db));
-  app.use('/api', workerRoutes(db));
+  app.use('/api/managers', managerRoutes());
+  app.use('/api', workerRoutes());
 
   const httpPort = process.env.HTTP_PORT || 3000;
   const httpsPort = process.env.HTTPS_PORT || 3443;