diff --git a/modules/pizza-service-alex-n/pom.xml b/modules/pizza-service-alex-n/pom.xml
index 98dece5..664bd81 100644
--- a/modules/pizza-service-alex-n/pom.xml
+++ b/modules/pizza-service-alex-n/pom.xml
@@ -4,6 +4,7 @@
     <groupId>com.hillel.elementary.java-geeks</groupId>
     <artifactId>pizza-service-alex-n</artifactId>
     <version>0.0.1</version>
+    <packaging>war</packaging>
 
 
     <parent>
@@ -45,6 +46,17 @@
             <artifactId>slf4j-api</artifactId>
             <version>1.7.25</version>
         </dependency>
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>javax.servlet-api</artifactId>
+            <version>4.0.1</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>jstl</artifactId>
+            <version>1.2</version>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/Runner.java b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/Runner.java
index 8a19fb0..aea0d27 100644
--- a/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/Runner.java
+++ b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/Runner.java
@@ -12,7 +12,7 @@ private Runner() {
 
     public static void main(String[] args) {
 
-        Context context = new DefaultPizzaServiceContext(new PizzaServiceConfig());
+        Context context = DefaultPizzaServiceContext.getInstance(new PizzaServiceConfig());
         Controller controller = context.getBean("controller");
         controller.runUserInterface();
     }
diff --git a/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/configs/DefaultPizzaServiceContext.java b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/configs/DefaultPizzaServiceContext.java
index 97da4f8..d50c747 100644
--- a/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/configs/DefaultPizzaServiceContext.java
+++ b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/configs/DefaultPizzaServiceContext.java
@@ -15,13 +15,27 @@
 public class DefaultPizzaServiceContext implements Context {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(DefaultPizzaServiceContext.class);
-    private final Config config;
+    private Config config;
     private Map<String, Object> beans = new HashMap<>();
+    private static Context context;
 
-    public DefaultPizzaServiceContext(Config config) {
+    private DefaultPizzaServiceContext(Config config) {
         this.config = config;
     }
 
+    public static Context getInstance(Config config) {
+        if (context == null) {
+            synchronized (DefaultPizzaServiceContext.class) {
+                if (context == null) {
+                    context = new DefaultPizzaServiceContext(config);
+                }
+                return context;
+            }
+        } else {
+            return context;
+        }
+    }
+
     @Override
     public <T> T getBean(String beanName) {
         if (beanName == null || beanName.isEmpty()) {
@@ -70,7 +84,7 @@ private Object createNewBean(String beanName) {
 
         try {
             return constructor.newInstance(constructorArguments);
-        } catch (Exception e){
+        } catch (Exception e) {
             LOGGER.error("Can't create instance of bean " + e);
             throw new AppInitialisationException(e.getMessage());
         }
diff --git a/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/domain/Customer.java b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/domain/Customer.java
index d18e4a1..68b4e44 100644
--- a/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/domain/Customer.java
+++ b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/domain/Customer.java
@@ -5,14 +5,29 @@
 public class Customer {
     private Long id;
     private String name;
+    private String password;
+    private String phone;
+
+    public Customer(String name) {
+        this.name = name;
+    }
 
     public Customer(Long id, String name) {
         this.id = id;
         this.name = name;
     }
 
-    public Customer(String name) {
+    public Customer(Long id, String name, String password, String phone) {
+        this.id = id;
+        this.name = name;
+        this.password = password;
+        this.phone = phone;
+    }
+
+    public Customer(String name, String password, String phone) {
         this.name = name;
+        this.password = password;
+        this.phone = phone;
     }
 
     public Long getId() {
@@ -23,6 +38,15 @@ public String getName() {
         return name;
     }
 
+
+    public String getPassword() {
+        return password;
+    }
+
+    public String getPhone() {
+        return phone;
+    }
+
     @Override
     public String toString() {
         return "Customer{" +
diff --git a/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/repositories/CustomerRepo.java b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/repositories/CustomerRepo.java
index d7c1c43..79d4702 100644
--- a/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/repositories/CustomerRepo.java
+++ b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/repositories/CustomerRepo.java
@@ -9,4 +9,6 @@ public interface CustomerRepo {
     Customer save(Customer customer);
 
     Collection<Customer> getAll();
+
+    Customer getCustomerByName(String name);
 }
diff --git a/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/repositories/InMemCustomerRepo.java b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/repositories/InMemCustomerRepo.java
index a59ae39..1d7851d 100644
--- a/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/repositories/InMemCustomerRepo.java
+++ b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/repositories/InMemCustomerRepo.java
@@ -15,7 +15,7 @@ public class InMemCustomerRepo implements CustomerRepo {
 
     @Override
     public Customer save(Customer customer) {
-        Customer savedCustomer = new Customer(counter, customer.getName());
+        Customer savedCustomer = new Customer(counter, customer.getName(), customer.getPassword(), customer.getPhone());
         customers.put(counter, savedCustomer);
         counter++;
         return savedCustomer;
@@ -25,4 +25,14 @@ public Customer save(Customer customer) {
     public Collection<Customer> getAll() {
         return customers.values();
     }
+
+    @Override
+    public Customer getCustomerByName(String name) {
+        for (Customer customer : customers.values()) {
+            if (customer.getName().equals(name)){
+                return customer;
+            }
+        }
+        return null;
+    }
 }
diff --git a/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/services/CustomerService.java b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/services/CustomerService.java
index 685d579..b21cacf 100644
--- a/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/services/CustomerService.java
+++ b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/services/CustomerService.java
@@ -8,7 +8,11 @@ public interface CustomerService {
 
     Customer registerCustomer(Customer customer);
 
+    Customer registerCustomer(String customerName, String pass, String phone);
+
     Customer registerCustomer(String customerName);
 
     Collection<Customer> getAllCustomers();
+
+    Customer signIn(String name, String pass);
 }
diff --git a/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/services/DefaultCustomerService.java b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/services/DefaultCustomerService.java
index 3dfd4e6..1e63c11 100644
--- a/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/services/DefaultCustomerService.java
+++ b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/services/DefaultCustomerService.java
@@ -3,6 +3,7 @@
 import com.hillel.elementary.java_geeks.configs.anotations.Component;
 import com.hillel.elementary.java_geeks.domain.Customer;
 import com.hillel.elementary.java_geeks.repositories.CustomerRepo;
+import org.apache.commons.codec.digest.DigestUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -38,6 +39,26 @@ public Customer registerCustomer(Customer customer) {
         return customerRepo.save(customer);
     }
 
+    @Override
+    public Customer registerCustomer(String customerName, String pass, String phone) {
+        if (customerName == null ||
+                customerName.isEmpty() ||
+                pass == null ||
+                pass.isEmpty() ||
+                phone == null ||
+                phone.isEmpty()) {
+            String msg = "Can not create and save customer name:" + customerName + ",pass:" + pass + ",phone:" + phone;
+            LOGGER.error(msg);
+            return null;
+        } else {
+            if (customerRepo.getCustomerByName(customerName) != null) {
+                return null;
+            } else {
+                return customerRepo.save(new Customer(customerName, DigestUtils.md5Hex(pass), phone));
+            }
+        }
+    }
+
     @Override
     public Customer registerCustomer(String customerName) {
         if (customerName == null || customerName.isEmpty() || customerName.trim().isEmpty()) {
@@ -52,4 +73,22 @@ public Customer registerCustomer(String customerName) {
     public Collection<Customer> getAllCustomers() {
         return customerRepo.getAll();
     }
+
+
+    @Override
+    public Customer signIn(String name, String pass) {
+        if (name == null || pass == null || name.isEmpty() || pass.isEmpty()) {
+            String msg = "can't sign in user with name:" + name + ", pass:" + pass;
+            LOGGER.error(msg);
+            return null;
+        } else {
+            Customer customer = customerRepo.getCustomerByName(name);
+            if (customer == null) {
+                return null;
+            } else if (customer.getPassword().equals(DigestUtils.md5Hex(pass))) {
+                return customer;
+            }
+        }
+        return null;
+    }
 }
diff --git a/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/utils/CookieParser.java b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/utils/CookieParser.java
new file mode 100644
index 0000000..eb789fd
--- /dev/null
+++ b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/utils/CookieParser.java
@@ -0,0 +1,21 @@
+package com.hillel.elementary.java_geeks.utils;
+
+import javax.servlet.http.Cookie;
+import javax.servlet.http.HttpServletRequest;
+
+public class CookieParser {
+
+    private CookieParser() {
+    }
+
+    public static String getCookieValue(String cookieName, HttpServletRequest req){
+        if (req.getCookies() != null) {
+            for (Cookie cookie : req.getCookies()) {
+                if (cookie.getName().equals(cookieName)) {
+                    return cookie.getValue();
+                }
+            }
+        }
+        return null;
+    }
+}
diff --git a/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/utils/Sessions.java b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/utils/Sessions.java
new file mode 100644
index 0000000..0bbcf64
--- /dev/null
+++ b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/utils/Sessions.java
@@ -0,0 +1,40 @@
+package com.hillel.elementary.java_geeks.utils;
+
+import com.hillel.elementary.java_geeks.domain.Pizza;
+
+import javax.servlet.http.HttpSession;
+import java.util.ArrayList;
+
+public class Sessions {
+
+    private Sessions() {
+    }
+
+    public static ArrayList<Pizza> getPizzasList(HttpSession session, String attrName) {
+        Object attribute = session.getAttribute(attrName);
+        if (attribute != null) {
+            return (ArrayList<Pizza>) attribute;
+        }
+        return null;
+    }
+
+    public static void addPizzaToSessionOrder(HttpSession session, String attrName, Pizza pizza) {
+        Object attribute = session.getAttribute(attrName);
+        ArrayList<Pizza> pizzas;
+        if (attribute != null) {
+            pizzas = (ArrayList<Pizza>) attribute;
+        } else {
+            pizzas = new ArrayList<>();
+        }
+        pizzas.add(pizza);
+        session.setAttribute(attrName, pizzas);
+    }
+
+    public static int getSessionOrderPizzasCount(HttpSession session, String attrName) {
+        Object attribute = session.getAttribute(attrName);
+        if (attribute != null) {
+            return ((ArrayList<Pizza>) attribute).size();
+        }
+        return 0;
+    }
+}
diff --git a/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/web/HomePageServlet.java b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/web/HomePageServlet.java
new file mode 100644
index 0000000..bc51de0
--- /dev/null
+++ b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/web/HomePageServlet.java
@@ -0,0 +1,47 @@
+package com.hillel.elementary.java_geeks.web;
+
+import com.hillel.elementary.java_geeks.configs.Context;
+import com.hillel.elementary.java_geeks.configs.DefaultPizzaServiceContext;
+import com.hillel.elementary.java_geeks.configs.PizzaServiceConfig;
+import com.hillel.elementary.java_geeks.services.PizzaService;
+import com.hillel.elementary.java_geeks.utils.Sessions;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+public class HomePageServlet extends HttpServlet {
+
+    private PizzaService pizzaService;
+    private static final String ATTR_NAME = "orderedPizza";
+
+    @Override
+    public void init() {
+        Context context = DefaultPizzaServiceContext.getInstance(new PizzaServiceConfig());
+        pizzaService = context.getBean("pizzaService");
+    }
+
+
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        req.setAttribute("pizzas", pizzaService.getAllPizzas());
+        req.getRequestDispatcher("home.jsp").forward(req, resp);
+    }
+
+    @Override
+    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        if (req.getParameter("add-btn") != null) {
+            String pizzaId = req.getParameter("pizzaId");
+            if (pizzaId != null) {
+                Sessions.addPizzaToSessionOrder(req.getSession(),
+                        ATTR_NAME,
+                        pizzaService.getPizzaById(Integer.parseInt(pizzaId)));
+            }
+        }
+        req.setAttribute("pizzas", pizzaService.getAllPizzas());
+        req.getRequestDispatcher("home.jsp").forward(req, resp);
+    }
+
+}
diff --git a/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/web/OrderServlet.java b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/web/OrderServlet.java
new file mode 100644
index 0000000..471017b
--- /dev/null
+++ b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/web/OrderServlet.java
@@ -0,0 +1,57 @@
+package com.hillel.elementary.java_geeks.web;
+
+import com.hillel.elementary.java_geeks.configs.Context;
+import com.hillel.elementary.java_geeks.configs.DefaultPizzaServiceContext;
+import com.hillel.elementary.java_geeks.configs.PizzaServiceConfig;
+import com.hillel.elementary.java_geeks.domain.Pizza;
+import com.hillel.elementary.java_geeks.services.OrderService;
+import com.hillel.elementary.java_geeks.services.PizzaService;
+import com.hillel.elementary.java_geeks.utils.Sessions;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.util.List;
+
+
+public class OrderServlet extends HttpServlet {
+
+    private static final String ATTR_NAME = "orderedPizza";
+    private OrderService orderService;
+    private PizzaService pizzaService;
+
+    @Override
+    public void init() throws ServletException {
+        Context context = DefaultPizzaServiceContext.getInstance(new PizzaServiceConfig());
+        pizzaService = context.getBean("pizzaService");
+        orderService = context.getBean("orderService");
+    }
+
+
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        List<Pizza> pizzas = Sessions.getPizzasList(req.getSession(), ATTR_NAME);
+        if (pizzas != null) {
+            req.setAttribute("pizzas", pizzas);
+            req.setAttribute("count", pizzas.size());
+        }
+        req.getRequestDispatcher("order.jsp").forward(req, resp);
+    }
+
+
+    @Override
+    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        String userBtnValue = req.getParameter("usr-data-btn");
+        if (userBtnValue != null) {
+            if (userBtnValue.equals("delete all")) {
+                req.getSession().removeAttribute(ATTR_NAME);
+            } else if (userBtnValue.equals("create")) {
+                String name = req.getParameter("name");
+                //todo
+            }
+        }
+        req.getRequestDispatcher("order.jsp").forward(req, resp);
+    }
+}
diff --git a/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/web/RegistrationServlet.java b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/web/RegistrationServlet.java
new file mode 100644
index 0000000..312255c
--- /dev/null
+++ b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/web/RegistrationServlet.java
@@ -0,0 +1,53 @@
+package com.hillel.elementary.java_geeks.web;
+
+import com.hillel.elementary.java_geeks.configs.Context;
+import com.hillel.elementary.java_geeks.configs.DefaultPizzaServiceContext;
+import com.hillel.elementary.java_geeks.configs.PizzaServiceConfig;
+import com.hillel.elementary.java_geeks.domain.Customer;
+import com.hillel.elementary.java_geeks.services.CustomerService;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+public class RegistrationServlet extends HttpServlet {
+
+    private CustomerService customerService;
+
+    @Override
+    public void init() throws ServletException {
+        Context context = DefaultPizzaServiceContext.getInstance(new PizzaServiceConfig());
+        customerService = context.getBean("customerService");
+    }
+
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        req.getRequestDispatcher("registration.jsp").forward(req, resp);
+    }
+
+    @Override
+    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        if (req.getParameter("register") != null) {
+            String name = req.getParameter("userName");
+            String pass = req.getParameter("userPass");
+            String phone = req.getParameter("userPhone");
+            if (name == null || pass == null || phone == null || name.isEmpty() || pass.isEmpty() || phone.isEmpty()) {
+                req.setAttribute("errMsg", "you must fill all fields");
+            } else {
+                //todo data validation ? [> 6 chars], [not contains symbols ] ...
+                Customer customer = customerService.registerCustomer(name, pass, phone);
+                if (customer == null) {
+                    req.setAttribute("errMsg", "can not create user with such data.");
+                } else {
+                    req.setAttribute("msg", "UserServlet: " + customer.getName() + ", successfully created");
+                    req.setAttribute("userName" , "");
+                    req.setAttribute("userPass", "");
+                    req.setAttribute("userPhone", "");
+                }
+            }
+        }
+        req.getRequestDispatcher("registration.jsp").forward(req, resp);
+    }
+}
diff --git a/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/web/UserServlet.java b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/web/UserServlet.java
new file mode 100644
index 0000000..79046e3
--- /dev/null
+++ b/modules/pizza-service-alex-n/src/main/java/com/hillel/elementary/java_geeks/web/UserServlet.java
@@ -0,0 +1,54 @@
+package com.hillel.elementary.java_geeks.web;
+
+import com.hillel.elementary.java_geeks.configs.Context;
+import com.hillel.elementary.java_geeks.configs.DefaultPizzaServiceContext;
+import com.hillel.elementary.java_geeks.configs.PizzaServiceConfig;
+import com.hillel.elementary.java_geeks.domain.Customer;
+import com.hillel.elementary.java_geeks.services.CustomerService;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+public class UserServlet extends HttpServlet {
+
+    private CustomerService customerService;
+
+    @Override
+    public void init() throws ServletException {
+        Context context = DefaultPizzaServiceContext.getInstance(new PizzaServiceConfig());
+        customerService = context.getBean("customerService");
+    }
+
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        req.getRequestDispatcher("user.jsp").forward(req, resp);
+    }
+
+    @Override
+    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+
+        //if button exit was pressed
+        if (req.getParameter("exit") != null) {
+            req.getSession().invalidate();
+        }
+        //if button sign in was pressed
+        if (req.getParameter("signIn") != null) {
+            String name = req.getParameter("userName");
+            String pass = req.getParameter("userPass");
+            if (name == null || pass == null || name.isEmpty() || pass.isEmpty()) {
+                req.setAttribute("errMsg", "Wrong data. Try Again");
+            } else {
+                Customer customer = customerService.signIn(name, pass);
+                if (customer == null) {
+                    req.setAttribute("errMsg", "Wrong name or password. Try again");
+                } else {
+                    req.getSession().setAttribute("customer" , customer);
+                }
+            }
+        }
+        req.getRequestDispatcher("user.jsp").forward(req, resp);
+    }
+}
diff --git a/modules/pizza-service-alex-n/src/main/webapp/WEB-INF/web.xml b/modules/pizza-service-alex-n/src/main/webapp/WEB-INF/web.xml
new file mode 100644
index 0000000..0dad726
--- /dev/null
+++ b/modules/pizza-service-alex-n/src/main/webapp/WEB-INF/web.xml
@@ -0,0 +1,52 @@
+<web-app xmlns="http://java.sun.com/xml/ns/javaee" version="2.5">
+
+    <error-page>
+        <exception-type>java.lang.Throwable</exception-type>
+        <location>/error.html</location>
+    </error-page>
+    <error-page>
+        <exception-type>javax.servlet.ServletException</exception-type>
+        <location>/error.html</location>
+    </error-page>
+    <error-page>
+        <error-code>404</error-code>
+        <location>/error.html</location>
+    </error-page>
+
+
+    <servlet>
+        <servlet-name>homePage</servlet-name>
+        <servlet-class>com.hillel.elementary.java_geeks.web.HomePageServlet</servlet-class>
+    </servlet>
+    <servlet>
+        <servlet-name>order</servlet-name>
+        <servlet-class>com.hillel.elementary.java_geeks.web.OrderServlet</servlet-class>
+    </servlet>
+    <servlet>
+        <servlet-name>user</servlet-name>
+        <servlet-class>com.hillel.elementary.java_geeks.web.UserServlet</servlet-class>
+    </servlet>
+    <servlet>
+        <servlet-name>registration</servlet-name>
+        <servlet-class>com.hillel.elementary.java_geeks.web.RegistrationServlet</servlet-class>
+    </servlet>
+
+
+    <servlet-mapping>
+        <servlet-name>homePage</servlet-name>
+        <url-pattern>/index.html</url-pattern>
+    </servlet-mapping>
+    <servlet-mapping>
+        <servlet-name>order</servlet-name>
+        <url-pattern>/order</url-pattern>
+    </servlet-mapping>
+    <servlet-mapping>
+        <servlet-name>user</servlet-name>
+        <url-pattern>/user</url-pattern>
+    </servlet-mapping>
+    <servlet-mapping>
+        <servlet-name>registration</servlet-name>
+        <url-pattern>/registration</url-pattern>
+    </servlet-mapping>
+
+</web-app>
\ No newline at end of file
diff --git a/modules/pizza-service-alex-n/src/main/webapp/css/style.css b/modules/pizza-service-alex-n/src/main/webapp/css/style.css
new file mode 100644
index 0000000..a892916
--- /dev/null
+++ b/modules/pizza-service-alex-n/src/main/webapp/css/style.css
@@ -0,0 +1,275 @@
+* {
+    margin: 0;
+    padding: 0;
+}
+
+ul {
+    list-style: none;
+}
+
+p {
+    margin: 2px;
+    font: bold 20px Arial;
+    color: #ffffff;
+    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
+}
+
+html, body {
+    height: 100%;
+}
+
+body {
+    background: linear-gradient(20deg, #fab501 79%,
+    rgb(60, 166, 71) 79.1%,
+    rgb(60, 166, 71) 86%,
+    rgb(255, 255, 255) 86.1%,
+    rgb(255, 255, 255) 93%,
+    rgb(233, 60, 80) 93.1%,
+    rgb(233, 60, 80) 100%
+    ) no-repeat fixed;
+    height: 100%;
+}
+
+h1 {
+    text-align: center;
+    width: 100%;
+    font: bold 70px Arial;
+    color: #ffffff;
+    margin: 20px 0 20px 0;
+    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.71);
+}
+
+h2 {
+    text-align: center;
+    width: 100%;
+    font: bold 25px Arial;
+    color: #ffffff;
+    margin: 20px 0 20px 0;
+    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.71);
+}
+
+nav {
+    color: #ffffff;
+    text-align: center;
+    float: top;
+    font: bold 20px Arial;
+    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.6);
+}
+
+nav li {
+    color: #fff;
+    margin: 10px 10px 0 10px;
+    display: inline;
+}
+
+div {
+    display: inline-block;
+}
+
+form {
+    display: inline;
+}
+
+footer {
+    height: 50px;
+    text-align: center;
+    width: 100%;
+    font: bold 15px Arial;
+    color: #ffffff;
+    padding: 15px;
+    margin: 20px 0 0 0;
+    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
+    background: #eeaa01;
+    display: block;
+    vertical-align: baseline;
+}
+
+.nav-btn {
+    background-color: transparent;
+    border: none;
+    display: inline-block;
+    cursor: pointer;
+    color: #ffffff;
+    font-family: Arial, serif;
+    font-size: 30px;
+    font-weight: bold;
+    text-decoration: none;
+    text-shadow: 1px 1px 2px #000000;
+    backface-visibility: hidden;
+}
+
+.nav-btn:hover {
+    color: #e93c50;
+}
+
+.grid-wrapper {
+    width: 1300px;
+    margin: 0 auto;
+    display: grid;
+    grid-template-columns: repeat(3, 1fr);
+    grid-gap: 1rem;
+}
+
+.grid-item {
+    display: flex;
+    justify-content: center;
+    align-items: center;
+}
+
+.pizza-img {
+    float: left;
+    height: 150px;
+    width: 150px;
+    margin: 5px;
+}
+
+.pizza-div {
+    font: bold 20px Arial;
+    color: #ffffff;
+    margin: 10px;
+    display: table;
+}
+
+.pizza-info {
+    display: table-cell;
+    vertical-align: middle;
+}
+
+
+/*button*/
+.slide-btn {
+    margin: 2px;
+    text-align: center;
+}
+
+.slide-btn {
+    width: 200px;
+    font-size: 16px;
+    font-weight: 600;
+    color: #fff;
+    cursor: pointer;
+    height: 55px;
+    text-align: center;
+    border: none;
+    background-size: 300% 100%;
+
+    border-radius: 1px;
+    moz-transition: all .4s ease-in-out;
+    -o-transition: all .4s ease-in-out;
+    -webkit-transition: all .4s ease-in-out;
+    transition: all .4s ease-in-out;
+}
+
+.slide-btn:hover {
+    background-position: 100% 0;
+    moz-transition: all .4s ease-in-out;
+    -o-transition: all .4s ease-in-out;
+    -webkit-transition: all .4s ease-in-out;
+    transition: all .4s ease-in-out;
+}
+
+.slide-btn:focus {
+    outline: none;
+}
+
+.add-btn {
+    background-image: linear-gradient(to right, #e93c50 48%, #ffffff 48.1%, #ffffff 52%, #3ca647 52.1%);
+}
+
+.dlt-btn {
+    background-image: linear-gradient(to right, #e93c50 48%, #ffffff 48.1%, #ffffff 52%, #a72a3c 52.1%);
+}
+
+.create-btn {
+    background-image: linear-gradient(to right, #3ca647 48%, #ffffff 48.1%, #ffffff 52%, #32823c 52.1%);
+}
+
+/*buttons*/
+
+.aligner{
+    text-align: center;
+}
+
+.user-name {
+    display: inline-block;
+    color: #ffffff;
+    font-family: Arial, serif;
+    font-size: 30px;
+    font-weight: bold;
+    text-decoration: none;
+    text-shadow: 1px 1px 2px #000000;
+    margin: 2px;
+    padding: 5px;
+}
+
+.order-counter {
+    background-color: #e93c50;
+    border-radius: 100%;
+    margin: 2px;
+    padding: 5px;
+}
+
+.order-list {
+    text-align: center;
+    width: 100%;
+    font: bold 15px Arial;
+    color: #ffffff;
+    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
+}
+
+.usr-field {
+    width: 600px;
+    margin: 7px 2px 5px 2px;
+    border: 1px solid #ffffff;
+    padding-left: 20px;
+    padding-top: 10px;
+    padding-bottom: 10px;
+    border-radius: 4px;
+
+}
+
+.user-data {
+    display: block;
+    width: 600px;
+    height: auto;
+    margin: auto;
+}
+
+.usr-data-btns {
+    display: block;
+    text-align: right;
+    margin: 5px -2px 5px 0px;
+}
+
+.content {
+    display: block;
+    padding: 20px;
+    min-height: 100%;
+    margin: 0 auto -50px;
+}
+
+.push {
+    height: 50px;
+}
+
+.error {
+    color: #ff0100;
+}
+
+a.ref-btn {
+    padding: 19.5px 0 19.5px 0;
+    height: 16px;
+    font: bold 16px Arial;
+    display: inline-block;
+    vertical-align: bottom;
+    text-decoration: none;
+    display: inline-block;
+}
+
+.exit-div {
+    text-align: center;
+    display: block;
+    width: 600px;
+    height: auto;
+    margin: auto;
+}
\ No newline at end of file
diff --git a/modules/pizza-service-alex-n/src/main/webapp/error.html b/modules/pizza-service-alex-n/src/main/webapp/error.html
new file mode 100644
index 0000000..b02a2ab
--- /dev/null
+++ b/modules/pizza-service-alex-n/src/main/webapp/error.html
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>oops</title>
+</head>
+<body>
+<h1 style="text-align: center; font: bold 50px Arial; margin: 100px 0 0 0">
+    Oops ... Something is wrong!
+</h1>
+<p style="text-align: center; font: italic 20px Arial">
+    We are informed about this, and will fix this soon.
+</p>
+</body>
+</html>
diff --git a/modules/pizza-service-alex-n/src/main/webapp/footer.jsp b/modules/pizza-service-alex-n/src/main/webapp/footer.jsp
new file mode 100644
index 0000000..aa8eaed
--- /dev/null
+++ b/modules/pizza-service-alex-n/src/main/webapp/footer.jsp
@@ -0,0 +1,7 @@
+<footer>
+    Created by Alexander Nalivayko
+    <br>
+    Contact information: <a href="mailto:example@example.com">example@example.com</a>.
+    <br>
+    2019
+</footer>
diff --git a/modules/pizza-service-alex-n/src/main/webapp/header.jsp b/modules/pizza-service-alex-n/src/main/webapp/header.jsp
new file mode 100644
index 0000000..3a67fe1
--- /dev/null
+++ b/modules/pizza-service-alex-n/src/main/webapp/header.jsp
@@ -0,0 +1,36 @@
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
+<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
+
+<header>
+    <h1>We have PIZZA! Order it right now!</h1>
+    <nav>
+        <ul>
+            <li>
+                <a class="nav-btn" href="${pageContext.request.contextPath}/index.html">home</a>
+            </li>
+            <li>
+                <a class="nav-btn" href="${pageContext.request.contextPath}/index.html">about us</a>
+            </li>
+            <li>
+                <a class="nav-btn" href="${pageContext.request.contextPath}/index.html">contacts</a>
+            </li>
+            <li>
+                <a class="nav-btn" href="${pageContext.request.contextPath}/order">order</a>
+                <c:if test="${fn:length(sessionScope.get('orderedPizza')) gt 0}">
+                    <div class="order-counter">
+                            ${fn:length(sessionScope.get('orderedPizza'))}
+                    </div>
+                </c:if>
+            </li>
+            <li>
+                <a class="nav-btn" href="${pageContext.request.contextPath}/user">user</a>
+                <c:if test="${not empty sessionScope.get('customer').name}">
+                        <div class="user-name">
+                            (${sessionScope.get('customer').name})
+                        </div>
+                </c:if>
+            </li>
+        </ul>
+    </nav>
+    <br>
+</header>
diff --git a/modules/pizza-service-alex-n/src/main/webapp/home.jsp b/modules/pizza-service-alex-n/src/main/webapp/home.jsp
new file mode 100644
index 0000000..a58957f
--- /dev/null
+++ b/modules/pizza-service-alex-n/src/main/webapp/home.jsp
@@ -0,0 +1,35 @@
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
+<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>Pizza</title>
+    <link rel="stylesheet" type="text/css" href="${pageContext.request.contextPath}/css/style.css">
+</head>
+<body>
+<div class="content">
+    <jsp:include page="header.jsp"></jsp:include>
+
+    <div class="grid-wrapper">
+        <c:forEach items="${pizzas}" var="pizza">
+            <form action="${pageContext.request.contextPath}/index.html" method="post">
+                <div class="grid-item">
+                    <div class="pizza-div">
+                        <img class="pizza-img" src="${pageContext.request.contextPath}/img/mmm.png" alt="pizza">
+                        <div class="pizza-info">
+                            <p>pizza: ${pizza.name}</p>
+                            <p>type: ${pizza.pizzaType}</p>
+                            <p>price: ${pizza.price}</p>
+                            <input type="hidden" name="pizzaId" value="${pizza.id}">
+                            <input type="submit" class="slide-btn add-btn" name="add-btn" value="add to order">
+                        </div>
+                    </div>
+                </div>
+            </form>
+        </c:forEach>
+    </div>
+    <div class="push"></div>
+</div>
+<jsp:include page="footer.jsp"></jsp:include>
+</body>
+</html>
diff --git a/modules/pizza-service-alex-n/src/main/webapp/img/mmm.png b/modules/pizza-service-alex-n/src/main/webapp/img/mmm.png
new file mode 100644
index 0000000..196aa45
Binary files /dev/null and b/modules/pizza-service-alex-n/src/main/webapp/img/mmm.png differ
diff --git a/modules/pizza-service-alex-n/src/main/webapp/order.jsp b/modules/pizza-service-alex-n/src/main/webapp/order.jsp
new file mode 100644
index 0000000..4b91e6d
--- /dev/null
+++ b/modules/pizza-service-alex-n/src/main/webapp/order.jsp
@@ -0,0 +1,59 @@
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
+
+<html>
+<head>
+    <title>order</title>
+    <link rel="stylesheet" type="text/css" href="${pageContext.request.contextPath}/css/style.css">
+</head>
+<body>
+<div class="content">
+    <jsp:include page="header.jsp"></jsp:include>
+    <c:choose>
+        <c:when test="${fn:length(sessionScope.get('orderedPizza')) gt 1}">
+            <h2>There are ${fn:length(sessionScope.get('orderedPizza'))} pizzas in your order.</h2>
+        </c:when>
+        <c:when test="${fn:length(sessionScope.get('orderedPizza')) gt 0}">
+            <h2>There is ${fn:length(sessionScope.get('orderedPizza'))} pizza in your order.</h2>
+        </c:when>
+        <c:otherwise>
+            <h2>There are no pizza in your order. You can add it on home page.</h2>
+        </c:otherwise>
+    </c:choose>
+    <c:if test="${fn:length(sessionScope.get('orderedPizza')) gt 0}">
+        <ul>
+            <div class="order-list">
+                <c:forEach items="${pizzas}" var="pizza">
+                    <li>Pizza name: ${pizza.name} - type: ${pizza.pizzaType} - price: ${pizza.price}</li>
+                </c:forEach>
+            </div>
+        </ul>
+
+        <div class="user-data">
+            <form action="${pageContext.request.contextPath}/order" method="post">
+                <c:if test="${empty sessionScope.get('customer').name}">
+                    <p>You need to register or sign in to make orders. Press button below to get to sign in/registration
+                        page</p>
+                    <div class="usr-data-btns">
+                        <input type="submit" class="slide-btn dlt-btn" name="usr-data-btn" value="delete all">
+                        <a class="slide-btn  dlt-btn ref-btn" href="${pageContext.request.contextPath}/user">
+                            sign in/registration
+                        </a>
+                    </div>
+                </c:if>
+                <c:if test="${not empty sessionScope.get('customer').name}">
+                    <div class="usr-data-btns">
+                        <input type="submit" class="slide-btn dlt-btn" name="usr-data-btn" value="delete all">
+                        <input type="submit" class="slide-btn create-btn" name="usr-data-btn" value="create order">
+                    </div>
+                </c:if>
+            </form>
+        </div>
+
+    </c:if>
+    <div class="push"></div>
+</div>
+<jsp:include page="footer.jsp"></jsp:include>
+</body>
+</html>
diff --git a/modules/pizza-service-alex-n/src/main/webapp/registration.jsp b/modules/pizza-service-alex-n/src/main/webapp/registration.jsp
new file mode 100644
index 0000000..ef0ec16
--- /dev/null
+++ b/modules/pizza-service-alex-n/src/main/webapp/registration.jsp
@@ -0,0 +1,32 @@
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>registration</title>
+    <link rel="stylesheet" type="text/css" href="${pageContext.request.contextPath}/css/style.css">
+</head>
+<body>
+<div class="content">
+    <jsp:include page="header.jsp"></jsp:include>
+
+    <form action="${pageContext.request.contextPath}/registration" method="post">
+        <div class="user-data">
+            <p class="error">${errMsg}</p>
+            <p>${msg}</p>
+            <p>New user registration</p>
+            <p>User name:</p>
+            <input class="usr-field" type="text" name="userName"/>
+            <p>Password:</p>
+            <input class="usr-field" type="password" name="userPass">
+            <p>Phone:</p>
+            <input class="usr-field" type="tel" name="userPhone"/>
+            <div class="usr-data-btns">
+                <input class="slide-btn create-btn" type="submit" name="register" value="register">
+            </div>
+        </div>
+    </form>
+
+    <div class="push"></div>
+</div>
+<jsp:include page="footer.jsp"></jsp:include>
+</body>
+</html>
diff --git a/modules/pizza-service-alex-n/src/main/webapp/user.jsp b/modules/pizza-service-alex-n/src/main/webapp/user.jsp
new file mode 100644
index 0000000..2ee8567
--- /dev/null
+++ b/modules/pizza-service-alex-n/src/main/webapp/user.jsp
@@ -0,0 +1,41 @@
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>registration</title>
+    <link rel="stylesheet" type="text/css" href="${pageContext.request.contextPath}/css/style.css">
+</head>
+<body>
+<div class="content">
+    <jsp:include page="header.jsp"></jsp:include>
+    <c:if test="${not empty sessionScope.get('customer')}">
+        <div class="user-data">
+            <p class="aligner">You entered like: ${sessionScope.get('customer').name}</p>
+            <form action="${pageContext.request.contextPath}/user" method="post">
+                <div class="exit-div">
+                    <input class="slide-btn dlt-btn aligner" type="submit" name="exit" value="exit">
+                </div>
+            </form>
+        </div>
+    </c:if>
+    <c:if test="${empty sessionScope.get('customer')}">
+        <form action="${pageContext.request.contextPath}/user" method="post">
+            <div class="user-data">
+                <p class="error">${errMsg}</p>
+                <p>User name:</p>
+                <input class="usr-field" type="text" name="userName"/>
+                <p>Password:</p>
+                <input class="usr-field" type="password" name="userPass">
+                <div class="usr-data-btns">
+                    <a class="slide-btn  dlt-btn ref-btn" href="${pageContext.request.contextPath}/registration">create
+                        new user</a>
+                    <input class="slide-btn create-btn" type="submit" name="signIn" value="sign in">
+                </div>
+            </div>
+        </form>
+    </c:if>
+    <div class="push"></div>
+</div>
+<jsp:include page="footer.jsp"></jsp:include>
+</body>
+</html>
diff --git a/pom.xml b/pom.xml
index e8148d9..bc2031b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -185,6 +185,11 @@
             <version>${mockito.version}</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>commons-codec</groupId>
+            <artifactId>commons-codec</artifactId>
+            <version>1.9</version>
+        </dependency>
     </dependencies>
 
 </project>