Files for Todo_admin added

Backend/server.js

@@ -0,0 +1,48 @@
+import express from 'express';
+import mongoose from 'mongoose';
+import cors from 'cors';
+import dotenv from 'dotenv';
+import authRoutes from './routes/auth.js';
+import todoRoutes from './routes/todos.js';
+import { authenticateToken } from './middleware/auth.js';
+
+dotenv.config();
+
+const app = express();
+const PORT = process.env.PORT || 5000;
+
+// Middleware
+app.use(cors());
+app.use(express.json());
+
+// Root route
+app.get('/', (req, res) => {
+  res.json({ message: 'Todo App Backend API is running!' });
+});
+
+// Routes
+app.use('/api/auth', authRoutes);
+app.use('/api/todos', authenticateToken, todoRoutes);
+
+// Error handling middleware
+app.use((err, req, res, next) => {
+  console.error('Error:', err);
+  res.status(500).json({ message: 'Internal server error', error: err.message });
+});
+
+// MongoDB connection
+mongoose.connect(process.env.MONGO_URL)
+  .then(() => {
+    console.log('✅ Connected to MongoDB');
+    console.log('Database:', process.env.MONGO_URL);
+  })
+  .catch((err) => {
+    console.error('❌ MongoDB connection error:', err.message);
+    console.log('Make sure MongoDB is running on your system');
+    process.exit(1);
+  });
+
+app.listen(PORT, () => {
+  console.log(`🚀 Server running on port ${PORT}`);
+  
+});