diff --git a/.gitignore b/.gitignore
index c2065bc..476feae 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 HELP.md
 .gradle
 build/
+database/
 !gradle/wrapper/gradle-wrapper.jar
 !**/src/main/**/build/
 !**/src/test/**/build/
diff --git a/build.gradle b/build.gradle
index 2211a07..bb83a2e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -27,8 +27,13 @@ dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
     implementation 'org.springframework.boot:spring-boot-starter-web'
     implementation 'org.springframework.boot:spring-boot-starter-validation'
-
+    implementation 'org.springframework.boot:spring-boot-starter-jdbc'
+    implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+    
     developmentOnly 'org.springframework.boot:spring-boot-devtools'
+    
+    implementation 'org.hibernate.orm:hibernate-community-dialects'
+    implementation 'org.xerial:sqlite-jdbc:3.46.1.3'
 
     compileOnly 'org.projectlombok:lombok'
     annotationProcessor 'org.projectlombok:lombok'
diff --git a/src/main/java/ru/lionarius/isdojplab/controller/CartController.java b/src/main/java/ru/lionarius/isdojplab/controller/CartController.java
new file mode 100644
index 0000000..de55654
--- /dev/null
+++ b/src/main/java/ru/lionarius/isdojplab/controller/CartController.java
@@ -0,0 +1,17 @@
+package ru.lionarius.isdojplab.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import ru.lionarius.isdojplab.model.Cart;
+
+@Controller
+@RequestMapping("/cart")
+public class CartController {
+
+    @GetMapping
+    public String showCart(Model model) {
+        return "cart";
+    }
+}
diff --git a/src/main/java/ru/lionarius/isdojplab/controller/HomeController.java b/src/main/java/ru/lionarius/isdojplab/controller/HomeController.java
index 425d656..e6860d7 100644
--- a/src/main/java/ru/lionarius/isdojplab/controller/HomeController.java
+++ b/src/main/java/ru/lionarius/isdojplab/controller/HomeController.java
@@ -1,24 +1,25 @@
 package ru.lionarius.isdojplab.controller;
 
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
 import ru.lionarius.isdojplab.model.Product;
+import ru.lionarius.isdojplab.repository.ProductRepository;
 
-import java.util.ArrayList;
 import java.util.List;
 
 @Controller
 public class HomeController {
+    
+    @Autowired
+    private ProductRepository productRepository;
 
     @GetMapping("/")
     public String home(Model model) {
         model.addAttribute("message", "Добро пожаловать в магазин электротоваров!");
 
-        List<Product> products = new ArrayList<>();
-        products.add(new Product("Электрический чайник", 900.0, "Высококачественный чайник с быстрой функцией закипания", "https://example.com/electro1.jpg"));
-        products.add(new Product("Утюг с парогенератором", 1000.0, "Мощный утюг с автоматической подачей пара", "https://example.com/electro2.jpg"));
-        products.add(new Product("Мультиварка", 400.0, "Универсальная мультиварка с множеством режимов приготовления", "https://example.com/electro3.jpg"));
+        List<Product> products = productRepository.findAll();
         
         model.addAttribute("products", products);
         
diff --git a/src/main/java/ru/lionarius/isdojplab/controller/RegisterFormController.java b/src/main/java/ru/lionarius/isdojplab/controller/RegisterFormController.java
index 46ce511..7f55c5f 100644
--- a/src/main/java/ru/lionarius/isdojplab/controller/RegisterFormController.java
+++ b/src/main/java/ru/lionarius/isdojplab/controller/RegisterFormController.java
@@ -1,6 +1,7 @@
 package ru.lionarius.isdojplab.controller;
 
 import jakarta.validation.Valid;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.validation.BindingResult;
@@ -8,9 +9,13 @@ import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
 import ru.lionarius.isdojplab.model.User;
+import ru.lionarius.isdojplab.repository.UserRepository;
 
 @Controller
 public class RegisterFormController {
+    
+    @Autowired
+    private UserRepository userRepository;
 
     @GetMapping("/register")
     public String showForm(Model model) {
@@ -25,6 +30,18 @@ public class RegisterFormController {
             return "register_form";
         }
         
+        if (userRepository.findByEmail(user.getEmail()).isPresent()) {
+            bindingResult.rejectValue("email", "email.already.exists", "Электронная почта уже зарегистрирована");
+            return "register_form";
+        }
+        
+        if (userRepository.findByName(user.getName()).isPresent()) {
+            bindingResult.rejectValue("name", "name.already.exists", "Имя уже зарегистрировано");
+            return "register_form";
+        }
+        
+        userRepository.save(user);
+        
         model.addAttribute("message", "Пользователь успешно зарегистрирован");  
         
         return "register_form";
diff --git a/src/main/java/ru/lionarius/isdojplab/model/Cart.java b/src/main/java/ru/lionarius/isdojplab/model/Cart.java
new file mode 100644
index 0000000..95f1193
--- /dev/null
+++ b/src/main/java/ru/lionarius/isdojplab/model/Cart.java
@@ -0,0 +1,24 @@
+package ru.lionarius.isdojplab.model;
+
+import jakarta.persistence.*;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Entity
+public class Cart {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @OneToMany(cascade = CascadeType.ALL)
+    private List<CartItem> items;
+
+    private Double totalPrice;
+}
diff --git a/src/main/java/ru/lionarius/isdojplab/model/CartItem.java b/src/main/java/ru/lionarius/isdojplab/model/CartItem.java
new file mode 100644
index 0000000..4b3c8cb
--- /dev/null
+++ b/src/main/java/ru/lionarius/isdojplab/model/CartItem.java
@@ -0,0 +1,21 @@
+package ru.lionarius.isdojplab.model;
+
+import jakarta.persistence.*;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Entity
+public class CartItem {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @ManyToOne
+    private Product product;
+
+    private int quantity;
+}
diff --git a/src/main/java/ru/lionarius/isdojplab/model/CartOrder.java b/src/main/java/ru/lionarius/isdojplab/model/CartOrder.java
new file mode 100644
index 0000000..192824d
--- /dev/null
+++ b/src/main/java/ru/lionarius/isdojplab/model/CartOrder.java
@@ -0,0 +1,31 @@
+package ru.lionarius.isdojplab.model;
+
+import jakarta.persistence.*;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.math.BigDecimal;
+import java.util.List;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Entity
+public class CartOrder {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private String customerName;
+    private String phoneNumber;
+    private String address;
+    private String email;
+
+    @OneToMany(cascade = CascadeType.ALL)
+    private List<CartItem> items;
+
+    private BigDecimal totalPrice;
+    private String paymentMethod;
+}
diff --git a/src/main/java/ru/lionarius/isdojplab/model/Product.java b/src/main/java/ru/lionarius/isdojplab/model/Product.java
index 8c56076..9493666 100644
--- a/src/main/java/ru/lionarius/isdojplab/model/Product.java
+++ b/src/main/java/ru/lionarius/isdojplab/model/Product.java
@@ -1,16 +1,19 @@
 package ru.lionarius.isdojplab.model;
 
-import jakarta.validation.constraints.Min;
-import jakarta.validation.constraints.NotBlank;
-import jakarta.validation.constraints.NotNull;
+import jakarta.persistence.*;
 import lombok.AllArgsConstructor;
 import lombok.Data;
-
-import java.util.List;
+import lombok.NoArgsConstructor;
 
 @Data
 @AllArgsConstructor
+@NoArgsConstructor
+@Entity
 public class Product {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+    
     private String name;
     private Double price;
     private String description;
diff --git a/src/main/java/ru/lionarius/isdojplab/model/User.java b/src/main/java/ru/lionarius/isdojplab/model/User.java
index 987a025..83d72c6 100644
--- a/src/main/java/ru/lionarius/isdojplab/model/User.java
+++ b/src/main/java/ru/lionarius/isdojplab/model/User.java
@@ -1,17 +1,28 @@
 package ru.lionarius.isdojplab.model;
 
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
 import jakarta.validation.constraints.Email;
 import jakarta.validation.constraints.NotBlank;
 import jakarta.validation.constraints.Size;
 import lombok.Data;
 
 @Data
+@Entity
 public class User {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+    
     @NotBlank(message = "Поле не может быть пустым")
-    private String name;
+    private String name;    
+    
     @NotBlank(message = "Поле не может быть пустым")
     @Email(message = "Неверный формат электронной почты")
     private String email;
+    
     @NotBlank(message = "Поле не может быть пустым")
     @Size(min = 6, message = "Пароль должен состоять не менее 6 символов")
     private String password;
diff --git a/src/main/java/ru/lionarius/isdojplab/repository/ProductRepository.java b/src/main/java/ru/lionarius/isdojplab/repository/ProductRepository.java
new file mode 100644
index 0000000..941aff5
--- /dev/null
+++ b/src/main/java/ru/lionarius/isdojplab/repository/ProductRepository.java
@@ -0,0 +1,9 @@
+package ru.lionarius.isdojplab.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+import ru.lionarius.isdojplab.model.Product;
+
+@Repository
+public interface ProductRepository extends JpaRepository<Product, Long> {
+}
diff --git a/src/main/java/ru/lionarius/isdojplab/repository/UserRepository.java b/src/main/java/ru/lionarius/isdojplab/repository/UserRepository.java
new file mode 100644
index 0000000..cbdae08
--- /dev/null
+++ b/src/main/java/ru/lionarius/isdojplab/repository/UserRepository.java
@@ -0,0 +1,14 @@
+package ru.lionarius.isdojplab.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+import ru.lionarius.isdojplab.model.User;
+
+import java.util.Optional;
+
+@Repository
+public interface UserRepository extends JpaRepository<User, Long> {
+    
+    Optional<User> findByEmail(String email);
+    Optional<User> findByName(String name);
+}
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 87c09de..8edda93 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -1 +1,7 @@
 spring.application.name=isdojp-lab
+spring.datasource.driver-class-name=org.sqlite.JDBC
+spring.datasource.url=jdbc:sqlite:./database/data.db
+spring.jpa.database-platform=org.hibernate.community.dialect.SQLiteDialect
+spring.jpa.generate-ddl=true
+spring.jpa.hibernate.ddl-auto=update
+spring.jpa.show-sql=true
\ No newline at end of file
diff --git a/src/main/resources/templates/cart.html b/src/main/resources/templates/cart.html
new file mode 100644
index 0000000..6179745
--- /dev/null
+++ b/src/main/resources/templates/cart.html
@@ -0,0 +1,97 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Корзина и Оформление заказа - Магазин электротоваров</title>
+    <link rel="stylesheet" th:href="@{/css/styles.css}">
+</head>
+<body>
+
+<header>
+    <h1>Магазин электротоваров</h1>
+    <p>Все для вашего дома и офиса</p>
+</header>
+
+<div class="container">
+
+    <!-- Корзина -->
+    <h2>Ваша корзина</h2>
+    <div class="cart">
+        <div th:if="${true}">
+            <p>Ваша корзина пуста.</p>
+        </div>
+
+        <table th:if="${false}">
+            <thead>
+            <tr>
+                <th>Товар</th>
+                <th>Количество</th>
+                <th>Цена</th>
+                <th>Общая стоимость</th>
+                <th>Удалить</th>
+            </tr>
+            </thead>
+            <tbody>
+            <tr th:each="item : ${cart.items}">
+                <td th:text="${item.product.name}"></td>
+                <td>
+                    <input type="number" th:value="${item.quantity}" min="1" th:attr="data-product-id=${item.product.id}">
+                </td>
+                <td th:text="${item.product.price} + ' $'"></td>
+                <td th:text="${item.totalPrice} + ' $'"></td>
+                <td>
+                    <button th:attr="data-product-id=${item.product.id}" class="remove-item-button">Удалить</button>
+                </td>
+            </tr>
+            </tbody>
+        </table>
+
+        <div class="cart-summary" th:if="${false}">
+            <p>Итого к оплате: <span th:text="${cart.totalPrice} + ' $'"></span></p>
+            <a href="#checkout"><button style="padding: 1rem 2rem; font-size: 1.2rem;">Оформить заказ</button></a>
+        </div>
+    </div>
+
+    <!-- Оформление заказа -->
+    <h2 id="checkout">Оформление заказа</h2>
+    <form action="/order/submit" method="post" class="checkout-form">
+        <div class="form-group">
+            <label for="name">ФИО:</label>
+            <input type="text" id="name" name="name" required>
+        </div>
+
+        <div class="form-group">
+            <label for="phone">Телефон:</label>
+            <input type="tel" id="phone" name="phone" required>
+        </div>
+
+        <div class="form-group">
+            <label for="address">Адрес доставки:</label>
+            <input type="text" id="address" name="address" required>
+        </div>
+
+        <div class="form-group">
+            <label for="email">Email:</label>
+            <input type="email" id="email" name="email" required>
+        </div>
+
+        <div class="form-group">
+            <label for="payment-method">Способ оплаты:</label>
+            <select id="payment-method" name="paymentMethod" required>
+                <option value="card">Банковская карта</option>
+                <option value="cash">Наличные при доставке</option>
+                <option value="online">Онлайн-оплата</option>
+            </select>
+        </div>
+
+        <button type="submit" style="padding: 1rem 2rem; font-size: 1.2rem;">Подтвердить заказ</button>
+    </form>
+</div>
+
+<footer>
+    <p>© 2024 Магазин электротоваров. Все права защищены.</p>
+</footer>
+
+</body>
+</html>
diff --git a/src/main/resources/templates/home.html b/src/main/resources/templates/home.html
index ff314f0..4120a3a 100644
--- a/src/main/resources/templates/home.html
+++ b/src/main/resources/templates/home.html
@@ -30,7 +30,7 @@
         </div>
     </div>
 
-    <a href="#" style="margin-top: 2rem; display: inline-block;">
+    <a href="cart" style="margin-top: 2rem; display: inline-block;">
         <button style="padding: 1rem 2rem; font-size: 1.2rem;">Перейти в корзину</button>
     </a>
 </div>