diff --git a/docker-compose.deploy.yml b/docker-compose.deploy.yml
index 5920bde..727027f 100644
--- a/docker-compose.deploy.yml
+++ b/docker-compose.deploy.yml
@@ -35,9 +35,12 @@ services:
       - NODE_ENV=production
       - PORT=8080
       - CLIENT_URL=http://nginx
+      - MONGODB_URI=mongodb://mongodb:27017/etsy-tracker
     volumes:
       - etsy_data:/app/data
       - etsy_uploads:/app/uploads
+    depends_on:
+      - mongodb
     restart: unless-stopped
     networks:
       - etsy-network
@@ -48,11 +51,28 @@ services:
       retries: 3
       start_period: 40s
 
+  mongodb:
+    image: mongo:7
+    container_name: etsy-mongodb
+    restart: unless-stopped
+    volumes:
+      - etsy_mongodb:/data/db
+    networks:
+      - etsy-network
+    healthcheck:
+      test: ["CMD", "mongosh", "--eval", "db.adminCommand('ping')"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 20s
+
 volumes:
   etsy_uploads:
     driver: local
   etsy_data:
     driver: local
+  etsy_mongodb:
+    driver: local
 
 networks:
   etsy-network:
diff --git a/server/src/index.ts b/server/src/index.ts
index 9b80832..d46a79c 100644
--- a/server/src/index.ts
+++ b/server/src/index.ts
@@ -54,12 +54,9 @@ app.get('/health', (req, res) => {
   });
 });
 
-// Database connection (temporarily disabled for development)
-// mongoose.connect(process.env.MONGODB_URI || 'mongodb://localhost:27017/etsy-tracker')
-//   .then(() => console.log('Connected to MongoDB'))
-//   .catch((error) => console.error('MongoDB connection error:', error));
-
-console.log('Running in development mode without MongoDB - using in-memory storage');
+mongoose.connect(process.env.MONGODB_URI || 'mongodb://localhost:27017/etsy-tracker')
+  .then(() => console.log('Connected to MongoDB'))
+  .catch((error) => console.error('MongoDB connection error:', error));
 
 // Routes
 app.use('/api/auth', authRoutes);
diff --git a/server/src/models/Customer.ts b/server/src/models/Customer.ts
new file mode 100644
index 0000000..0ed8eff
--- /dev/null
+++ b/server/src/models/Customer.ts
@@ -0,0 +1,44 @@
+import mongoose, { Document, Schema } from 'mongoose';
+
+export interface ICustomer extends Document {
+  name: string;
+  email: string;
+  etsyUserId?: string;
+  address?: {
+    street1: string;
+    street2?: string;
+    city: string;
+    state: string;
+    zipCode: string;
+    country: string;
+  };
+  totalOrders: number;
+  totalSpent: number;
+  dateCreated: Date;
+  dateUpdated: Date;
+}
+
+const CustomerSchema: Schema = new Schema({
+  name: { type: String, required: true, trim: true },
+  email: { type: String, required: true, trim: true, lowercase: true },
+  etsyUserId: { type: String },
+  address: {
+    street1: { type: String },
+    street2: { type: String },
+    city: { type: String },
+    state: { type: String },
+    zipCode: { type: String },
+    country: { type: String },
+  },
+  totalOrders: { type: Number, default: 0 },
+  totalSpent: { type: Number, default: 0 },
+  dateCreated: { type: Date, default: Date.now },
+  dateUpdated: { type: Date, default: Date.now },
+});
+
+CustomerSchema.pre('save', function (next) {
+  this.dateUpdated = new Date();
+  next();
+});
+
+export default mongoose.model<ICustomer>('Customer', CustomerSchema);
diff --git a/server/src/models/Expense.ts b/server/src/models/Expense.ts
new file mode 100644
index 0000000..8990fcf
--- /dev/null
+++ b/server/src/models/Expense.ts
@@ -0,0 +1,34 @@
+import mongoose, { Document, Schema } from 'mongoose';
+
+export interface IExpense extends Document {
+  category: 'materials' | 'shipping' | 'fees' | 'advertising' | 'tools' | 'other';
+  description: string;
+  amount: number;
+  date: Date;
+  receiptUrl?: string;
+  notes?: string;
+  dateCreated: Date;
+  dateUpdated: Date;
+}
+
+const ExpenseSchema: Schema = new Schema({
+  category: {
+    type: String,
+    enum: ['materials', 'shipping', 'fees', 'advertising', 'tools', 'other'],
+    required: true,
+  },
+  description: { type: String, required: true, trim: true },
+  amount: { type: Number, required: true, min: 0 },
+  date: { type: Date, required: true },
+  receiptUrl: { type: String },
+  notes: { type: String },
+  dateCreated: { type: Date, default: Date.now },
+  dateUpdated: { type: Date, default: Date.now },
+});
+
+ExpenseSchema.pre('save', function (next) {
+  this.dateUpdated = new Date();
+  next();
+});
+
+export default mongoose.model<IExpense>('Expense', ExpenseSchema);
diff --git a/server/src/routes/analytics.ts b/server/src/routes/analytics.ts
index a7a81ac..9d0ffa4 100644
--- a/server/src/routes/analytics.ts
+++ b/server/src/routes/analytics.ts
@@ -1,35 +1,126 @@
-import { Router } from 'express';
+import { Router, Request, Response } from 'express';
+import Order from '../models/Order';
+import Product from '../models/Product';
+import Customer from '../models/Customer';
+import Expense from '../models/Expense';
 
 const router = Router();
 
-// GET /api/analytics/dashboard
-router.get('/dashboard', (req, res) => {
-  res.json({
-    message: 'Dashboard analytics endpoint',
-    data: {
-      totalRevenue: 0,
-      totalOrders: 0,
-      totalProducts: 0,
-      totalCustomers: 0,
-      recentOrders: [],
-      salesChart: [],
+router.get('/dashboard', async (req: Request, res: Response) => {
+  try {
+    const [totalOrders, totalProducts, totalCustomers, revenueResult, expenseResult, recentOrders] = await Promise.all([
+      Order.countDocuments({ paymentStatus: 'paid' }),
+      Product.countDocuments({ isActive: true }),
+      Customer.countDocuments(),
+      Order.aggregate([
+        { $match: { paymentStatus: 'paid' } },
+        { $group: { _id: null, total: { $sum: '$total' } } },
+      ]),
+      Expense.aggregate([
+        { $group: { _id: null, total: { $sum: '$amount' } } },
+      ]),
+      Order.find({ paymentStatus: 'paid' })
+        .populate('customerId', 'name email')
+        .sort({ dateOrdered: -1 })
+        .limit(5),
+    ]);
+
+    const totalRevenue = revenueResult[0]?.total ?? 0;
+    const totalExpenses = expenseResult[0]?.total ?? 0;
+
+    const twelveMonthsAgo = new Date();
+    twelveMonthsAgo.setMonth(twelveMonthsAgo.getMonth() - 11);
+    twelveMonthsAgo.setDate(1);
+    twelveMonthsAgo.setHours(0, 0, 0, 0);
+
+    const salesChart = await Order.aggregate([
+      { $match: { paymentStatus: 'paid', dateOrdered: { $gte: twelveMonthsAgo } } },
+      {
+        $group: {
+          _id: { year: { $year: '$dateOrdered' }, month: { $month: '$dateOrdered' } },
+          revenue: { $sum: '$total' },
+          orders: { $sum: 1 },
+        },
+      },
+      { $sort: { '_id.year': 1, '_id.month': 1 } },
+    ]);
+
+    res.json({
+      totalRevenue,
+      totalExpenses,
+      totalOrders,
+      totalProducts,
+      totalCustomers,
+      recentOrders,
+      salesChart,
+    });
+  } catch (err) {
+    res.status(500).json({ message: 'Failed to fetch dashboard data', error: err });
+  }
+});
+
+router.get('/sales', async (req: Request, res: Response) => {
+  try {
+    const { from, to } = req.query;
+    const match: any = { paymentStatus: 'paid' };
+    if (from || to) {
+      match.dateOrdered = {};
+      if (from) match.dateOrdered.$gte = new Date(from as string);
+      if (to) match.dateOrdered.$lte = new Date(to as string);
     }
-  });
+
+    const data = await Order.aggregate([
+      { $match: match },
+      {
+        $group: {
+          _id: { year: { $year: '$dateOrdered' }, month: { $month: '$dateOrdered' } },
+          revenue: { $sum: '$total' },
+          orders: { $sum: 1 },
+        },
+      },
+      { $sort: { '_id.year': 1, '_id.month': 1 } },
+    ]);
+
+    res.json(data);
+  } catch (err) {
+    res.status(500).json({ message: 'Failed to fetch sales data', error: err });
+  }
 });
 
-// GET /api/analytics/sales
-router.get('/sales', (req, res) => {
-  res.json({ message: 'Sales analytics endpoint - coming soon!' });
+router.get('/products', async (req: Request, res: Response) => {
+  try {
+    const topProducts = await Order.aggregate([
+      { $match: { paymentStatus: 'paid' } },
+      { $unwind: '$items' },
+      {
+        $group: {
+          _id: '$items.productId',
+          title: { $first: '$items.title' },
+          totalSold: { $sum: '$items.quantity' },
+          totalRevenue: { $sum: { $multiply: ['$items.quantity', '$items.price'] } },
+        },
+      },
+      { $sort: { totalRevenue: -1 } },
+      { $limit: 10 },
+    ]);
+
+    res.json(topProducts);
+  } catch (err) {
+    res.status(500).json({ message: 'Failed to fetch product analytics', error: err });
+  }
 });
 
-// GET /api/analytics/products
-router.get('/products', (req, res) => {
-  res.json({ message: 'Product analytics endpoint - coming soon!' });
+router.get('/customers', async (req: Request, res: Response) => {
+  try {
+    const topCustomers = await Customer.find()
+      .sort({ totalSpent: -1 })
+      .limit(10)
+      .select('name email totalOrders totalSpent');
+
+    res.json(topCustomers);
+  } catch (err) {
+    res.status(500).json({ message: 'Failed to fetch customer analytics', error: err });
+  }
 });
 
-// GET /api/analytics/customers
-router.get('/customers', (req, res) => {
-  res.json({ message: 'Customer analytics endpoint - coming soon!' });
-});
-
-export default router;
\ No newline at end of file
+export default router;
diff --git a/server/src/routes/customers.ts b/server/src/routes/customers.ts
index 5c7818a..664de29 100644
--- a/server/src/routes/customers.ts
+++ b/server/src/routes/customers.ts
@@ -1,25 +1,50 @@
-import { Router } from 'express';
+import { Router, Request, Response } from 'express';
+import Customer from '../models/Customer';
 
 const router = Router();
 
-// GET /api/customers
-router.get('/', (req, res) => {
-  res.json({ message: 'Get customers endpoint - coming soon!', customers: [] });
+router.get('/', async (req: Request, res: Response) => {
+  try {
+    const { page = 1, limit = 20 } = req.query;
+    const customers = await Customer.find()
+      .sort({ dateCreated: -1 })
+      .limit(Number(limit))
+      .skip((Number(page) - 1) * Number(limit));
+    const total = await Customer.countDocuments();
+    res.json({ customers, total, page: Number(page), limit: Number(limit) });
+  } catch (err) {
+    res.status(500).json({ message: 'Failed to fetch customers', error: err });
+  }
 });
 
-// POST /api/customers
-router.post('/', (req, res) => {
-  res.json({ message: 'Create customer endpoint - coming soon!' });
+router.post('/', async (req: Request, res: Response) => {
+  try {
+    const customer = new Customer(req.body);
+    await customer.save();
+    res.status(201).json(customer);
+  } catch (err) {
+    res.status(400).json({ message: 'Failed to create customer', error: err });
+  }
 });
 
-// GET /api/customers/:id
-router.get('/:id', (req, res) => {
-  res.json({ message: 'Get customer by ID endpoint - coming soon!' });
+router.get('/:id', async (req: Request, res: Response) => {
+  try {
+    const customer = await Customer.findById(req.params.id);
+    if (!customer) return res.status(404).json({ message: 'Customer not found' });
+    res.json(customer);
+  } catch (err) {
+    res.status(500).json({ message: 'Failed to fetch customer', error: err });
+  }
 });
 
-// PUT /api/customers/:id
-router.put('/:id', (req, res) => {
-  res.json({ message: 'Update customer endpoint - coming soon!' });
+router.put('/:id', async (req: Request, res: Response) => {
+  try {
+    const customer = await Customer.findByIdAndUpdate(req.params.id, req.body, { new: true, runValidators: true });
+    if (!customer) return res.status(404).json({ message: 'Customer not found' });
+    res.json(customer);
+  } catch (err) {
+    res.status(400).json({ message: 'Failed to update customer', error: err });
+  }
 });
 
-export default router;
\ No newline at end of file
+export default router;
diff --git a/server/src/routes/expenses.ts b/server/src/routes/expenses.ts
index 8a577c2..252f4ca 100644
--- a/server/src/routes/expenses.ts
+++ b/server/src/routes/expenses.ts
@@ -1,30 +1,64 @@
-import { Router } from 'express';
+import { Router, Request, Response } from 'express';
+import Expense from '../models/Expense';
 
 const router = Router();
 
-// GET /api/expenses
-router.get('/', (req, res) => {
-  res.json({ message: 'Get expenses endpoint - coming soon!', expenses: [] });
+router.get('/', async (req: Request, res: Response) => {
+  try {
+    const { page = 1, limit = 20, category } = req.query;
+    const filter: any = {};
+    if (category) filter.category = category;
+
+    const expenses = await Expense.find(filter)
+      .sort({ date: -1 })
+      .limit(Number(limit))
+      .skip((Number(page) - 1) * Number(limit));
+    const total = await Expense.countDocuments(filter);
+
+    res.json({ expenses, total, page: Number(page), limit: Number(limit) });
+  } catch (err) {
+    res.status(500).json({ message: 'Failed to fetch expenses', error: err });
+  }
 });
 
-// POST /api/expenses
-router.post('/', (req, res) => {
-  res.json({ message: 'Create expense endpoint - coming soon!' });
+router.post('/', async (req: Request, res: Response) => {
+  try {
+    const expense = new Expense(req.body);
+    await expense.save();
+    res.status(201).json(expense);
+  } catch (err) {
+    res.status(400).json({ message: 'Failed to create expense', error: err });
+  }
 });
 
-// GET /api/expenses/:id
-router.get('/:id', (req, res) => {
-  res.json({ message: 'Get expense by ID endpoint - coming soon!' });
+router.get('/:id', async (req: Request, res: Response) => {
+  try {
+    const expense = await Expense.findById(req.params.id);
+    if (!expense) return res.status(404).json({ message: 'Expense not found' });
+    res.json(expense);
+  } catch (err) {
+    res.status(500).json({ message: 'Failed to fetch expense', error: err });
+  }
 });
 
-// PUT /api/expenses/:id
-router.put('/:id', (req, res) => {
-  res.json({ message: 'Update expense endpoint - coming soon!' });
+router.put('/:id', async (req: Request, res: Response) => {
+  try {
+    const expense = await Expense.findByIdAndUpdate(req.params.id, req.body, { new: true, runValidators: true });
+    if (!expense) return res.status(404).json({ message: 'Expense not found' });
+    res.json(expense);
+  } catch (err) {
+    res.status(400).json({ message: 'Failed to update expense', error: err });
+  }
 });
 
-// DELETE /api/expenses/:id
-router.delete('/:id', (req, res) => {
-  res.json({ message: 'Delete expense endpoint - coming soon!' });
+router.delete('/:id', async (req: Request, res: Response) => {
+  try {
+    const expense = await Expense.findByIdAndDelete(req.params.id);
+    if (!expense) return res.status(404).json({ message: 'Expense not found' });
+    res.json({ message: 'Expense deleted' });
+  } catch (err) {
+    res.status(500).json({ message: 'Failed to delete expense', error: err });
+  }
 });
 
-export default router;
\ No newline at end of file
+export default router;
diff --git a/server/src/routes/orders.ts b/server/src/routes/orders.ts
index cbc1aa2..e7eb909 100644
--- a/server/src/routes/orders.ts
+++ b/server/src/routes/orders.ts
@@ -1,25 +1,62 @@
-import { Router } from 'express';
+import { Router, Request, Response } from 'express';
+import Order from '../models/Order';
+import Customer from '../models/Customer';
 
 const router = Router();
 
-// GET /api/orders
-router.get('/', (req, res) => {
-  res.json({ message: 'Get orders endpoint - coming soon!', orders: [] });
+router.get('/', async (req: Request, res: Response) => {
+  try {
+    const { page = 1, limit = 20, status, paymentStatus } = req.query;
+    const filter: any = {};
+    if (status) filter.status = status;
+    if (paymentStatus) filter.paymentStatus = paymentStatus;
+
+    const orders = await Order.find(filter)
+      .populate('customerId', 'name email')
+      .sort({ dateOrdered: -1 })
+      .limit(Number(limit))
+      .skip((Number(page) - 1) * Number(limit));
+    const total = await Order.countDocuments(filter);
+
+    res.json({ orders, total, page: Number(page), limit: Number(limit) });
+  } catch (err) {
+    res.status(500).json({ message: 'Failed to fetch orders', error: err });
+  }
 });
 
-// POST /api/orders
-router.post('/', (req, res) => {
-  res.json({ message: 'Create order endpoint - coming soon!' });
+router.post('/', async (req: Request, res: Response) => {
+  try {
+    const order = new Order(req.body);
+    await order.save();
+
+    await Customer.findByIdAndUpdate(order.customerId, {
+      $inc: { totalOrders: 1, totalSpent: order.total },
+    });
+
+    res.status(201).json(order);
+  } catch (err) {
+    res.status(400).json({ message: 'Failed to create order', error: err });
+  }
 });
 
-// GET /api/orders/:id
-router.get('/:id', (req, res) => {
-  res.json({ message: 'Get order by ID endpoint - coming soon!' });
+router.get('/:id', async (req: Request, res: Response) => {
+  try {
+    const order = await Order.findById(req.params.id).populate('customerId', 'name email');
+    if (!order) return res.status(404).json({ message: 'Order not found' });
+    res.json(order);
+  } catch (err) {
+    res.status(500).json({ message: 'Failed to fetch order', error: err });
+  }
 });
 
-// PUT /api/orders/:id
-router.put('/:id', (req, res) => {
-  res.json({ message: 'Update order endpoint - coming soon!' });
+router.put('/:id', async (req: Request, res: Response) => {
+  try {
+    const order = await Order.findByIdAndUpdate(req.params.id, req.body, { new: true, runValidators: true });
+    if (!order) return res.status(404).json({ message: 'Order not found' });
+    res.json(order);
+  } catch (err) {
+    res.status(400).json({ message: 'Failed to update order', error: err });
+  }
 });
 
-export default router;
\ No newline at end of file
+export default router;
diff --git a/server/src/routes/products.ts b/server/src/routes/products.ts
index 481cd1b..98361a7 100644
--- a/server/src/routes/products.ts
+++ b/server/src/routes/products.ts
@@ -1,30 +1,65 @@
-import { Router } from 'express';
+import { Router, Request, Response } from 'express';
+import Product from '../models/Product';
 
 const router = Router();
 
-// GET /api/products
-router.get('/', (req, res) => {
-  res.json({ message: 'Get products endpoint - coming soon!', products: [] });
+router.get('/', async (req: Request, res: Response) => {
+  try {
+    const { page = 1, limit = 20, category, active } = req.query;
+    const filter: any = {};
+    if (category) filter.category = category;
+    if (active !== undefined) filter.isActive = active === 'true';
+
+    const products = await Product.find(filter)
+      .sort({ dateCreated: -1 })
+      .limit(Number(limit))
+      .skip((Number(page) - 1) * Number(limit));
+    const total = await Product.countDocuments(filter);
+
+    res.json({ products, total, page: Number(page), limit: Number(limit) });
+  } catch (err) {
+    res.status(500).json({ message: 'Failed to fetch products', error: err });
+  }
 });
 
-// POST /api/products
-router.post('/', (req, res) => {
-  res.json({ message: 'Create product endpoint - coming soon!' });
+router.post('/', async (req: Request, res: Response) => {
+  try {
+    const product = new Product(req.body);
+    await product.save();
+    res.status(201).json(product);
+  } catch (err) {
+    res.status(400).json({ message: 'Failed to create product', error: err });
+  }
 });
 
-// GET /api/products/:id
-router.get('/:id', (req, res) => {
-  res.json({ message: 'Get product by ID endpoint - coming soon!' });
+router.get('/:id', async (req: Request, res: Response) => {
+  try {
+    const product = await Product.findById(req.params.id);
+    if (!product) return res.status(404).json({ message: 'Product not found' });
+    res.json(product);
+  } catch (err) {
+    res.status(500).json({ message: 'Failed to fetch product', error: err });
+  }
 });
 
-// PUT /api/products/:id
-router.put('/:id', (req, res) => {
-  res.json({ message: 'Update product endpoint - coming soon!' });
+router.put('/:id', async (req: Request, res: Response) => {
+  try {
+    const product = await Product.findByIdAndUpdate(req.params.id, req.body, { new: true, runValidators: true });
+    if (!product) return res.status(404).json({ message: 'Product not found' });
+    res.json(product);
+  } catch (err) {
+    res.status(400).json({ message: 'Failed to update product', error: err });
+  }
 });
 
-// DELETE /api/products/:id
-router.delete('/:id', (req, res) => {
-  res.json({ message: 'Delete product endpoint - coming soon!' });
+router.delete('/:id', async (req: Request, res: Response) => {
+  try {
+    const product = await Product.findByIdAndDelete(req.params.id);
+    if (!product) return res.status(404).json({ message: 'Product not found' });
+    res.json({ message: 'Product deleted' });
+  } catch (err) {
+    res.status(500).json({ message: 'Failed to delete product', error: err });
+  }
 });
 
-export default router;
\ No newline at end of file
+export default router;