Initial setup, everything broken

inventory-server/src/server.js

@@ -0,0 +1,99 @@
+require('dotenv').config();
+const express = require('express');
+const cors = require('cors');
+const mysql = require('mysql2/promise');
+const productsRouter = require('./routes/products');
+const path = require('path');
+const fs = require('fs');
+
+// Ensure required directories exist
+['logs', 'uploads'].forEach(dir => {
+  if (!fs.existsSync(dir)) {
+    fs.mkdirSync(dir, { recursive: true });
+  }
+});
+
+const app = express();
+
+// Middleware
+app.use(cors({
+  origin: process.env.CORS_ORIGIN,
+  credentials: true
+}));
+app.use(express.json());
+
+// Request logging middleware
+app.use((req, res, next) => {
+  const start = Date.now();
+  res.on('finish', () => {
+    const duration = Date.now() - start;
+    console.log(
+      `[${new Date().toISOString()}] ${req.method} ${req.url} ${res.statusCode} ${duration}ms`
+    );
+  });
+  next();
+});
+
+// Database connection pool
+const pool = mysql.createPool({
+  host: process.env.DB_HOST,
+  user: process.env.DB_USER,
+  password: process.env.DB_PASSWORD,
+  database: process.env.DB_NAME,
+  waitForConnections: true,
+  connectionLimit: process.env.NODE_ENV === 'production' ? 20 : 10,
+  queueLimit: 0,
+  enableKeepAlive: true,
+  keepAliveInitialDelay: 0
+});
+
+// Make pool available to routes
+app.locals.pool = pool;
+
+// Test database connection
+pool.getConnection()
+  .then(connection => {
+    console.log('[Database] Connected successfully');
+    connection.release();
+  })
+  .catch(err => {
+    console.error('[Database] Error connecting:', err);
+    process.exit(1); // Exit if we can't connect to the database
+  });
+
+// Routes
+app.use('/api/products', productsRouter);
+
+// Basic health check route
+app.get('/health', (req, res) => {
+  res.json({ 
+    status: 'ok',
+    timestamp: new Date().toISOString(),
+    environment: process.env.NODE_ENV
+  });
+});
+
+// Error handling middleware
+app.use((err, req, res, next) => {
+  console.error(`[${new Date().toISOString()}] Error:`, err);
+  res.status(500).json({ 
+    error: process.env.NODE_ENV === 'production' 
+      ? 'An internal server error occurred' 
+      : err.message 
+  });
+});
+
+// Handle uncaught exceptions
+process.on('uncaughtException', (err) => {
+  console.error(`[${new Date().toISOString()}] Uncaught Exception:`, err);
+  process.exit(1);
+});
+
+process.on('unhandledRejection', (reason, promise) => {
+  console.error(`[${new Date().toISOString()}] Unhandled Rejection at:`, promise, 'reason:', reason);
+});
+
+const PORT = process.env.PORT || 3000;
+app.listen(PORT, () => {
+  console.log(`[Server] Running in ${process.env.NODE_ENV || 'development'} mode on port ${PORT}`);
+});