diff --git a/.gitignore b/.gitignore
index 73e6d9e3dd11..e1b3edb4fb73 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 .idea
 out
 target
+patches
 *.iml
 log
 *.patch
diff --git a/pom.xml b/pom.xml
index 0b1c2896da5b..04c60fd7bc78 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,27 +4,37 @@
 
     <groupId>ru.javawebinar</groupId>
     <artifactId>topjava</artifactId>
-    <packaging>jar</packaging>
+    <packaging>war</packaging>
 
     <version>1.0-SNAPSHOT</version>
 
     <name>Calories Management</name>
-    <url>http://topjava.herokuapp.com/</url>
+    <url>https://javaops-demo.ru/topjava</url>
 
     <properties>
         <java.version>1.8</java.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <spring.version>5.3.39</spring.version>
+
+        <!-- Logging -->
+        <logback.version>1.2.13</logback.version>
+        <slf4j.version>1.7.36</slf4j.version>
     </properties>
 
     <build>
         <finalName>topjava</finalName>
-        <defaultGoal>install</defaultGoal>
+        <defaultGoal>package</defaultGoal>
         <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-war-plugin</artifactId>
+                <version>3.4.0</version>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.8.1</version>
+                <version>3.13.0</version>
                 <configuration>
                     <source>${java.version}</source>
                     <target>${java.version}</target>
@@ -34,6 +44,40 @@
     </build>
 
     <dependencies>
+        <!-- Logging with SLF4J & LogBack -->
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>${slf4j.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+            <version>${logback.version}</version>
+            <scope>runtime</scope>
+        </dependency>
+
+        <!-- Spring -->
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+            <version>${spring.version}</version>
+        </dependency>
+
+        <!--Web-->
+        <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>
 
     <profiles>
diff --git a/src/main/java/ru/javawebinar/topjava/Main.java b/src/main/java/ru/javawebinar/topjava/Main.java
deleted file mode 100644
index c2f9cc618f7c..000000000000
--- a/src/main/java/ru/javawebinar/topjava/Main.java
+++ /dev/null
@@ -1,11 +0,0 @@
-package ru.javawebinar.topjava;
-
-/**
- * @see <a href="http://topjava.herokuapp.com">Demo application</a>
- * @see <a href="https://github.com/JavaOPs/topjava">Initial project</a>
- */
-public class Main {
-    public static void main(String[] args) {
-        System.out.format("Hello TopJava Enterprise!");
-    }
-}
diff --git a/src/main/java/ru/javawebinar/topjava/SpringMain.java b/src/main/java/ru/javawebinar/topjava/SpringMain.java
new file mode 100644
index 000000000000..85d0832e8728
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/SpringMain.java
@@ -0,0 +1,20 @@
+package ru.javawebinar.topjava;
+
+import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+import ru.javawebinar.topjava.model.Role;
+import ru.javawebinar.topjava.model.User;
+import ru.javawebinar.topjava.web.user.AdminRestController;
+
+import java.util.Arrays;
+
+public class SpringMain {
+    public static void main(String[] args) {
+        // java 7 automatic resource management (ARM)
+        try (ConfigurableApplicationContext appCtx = new ClassPathXmlApplicationContext("spring/spring-app.xml")) {
+            System.out.println("Bean definition names: " + Arrays.toString(appCtx.getBeanDefinitionNames()));
+            AdminRestController adminUserController = appCtx.getBean(AdminRestController.class);
+            adminUserController.create(new User(null, "userName", "email@mail.ru", "password", Role.ADMIN));
+        }
+    }
+}
diff --git a/src/main/java/ru/javawebinar/topjava/model/AbstractBaseEntity.java b/src/main/java/ru/javawebinar/topjava/model/AbstractBaseEntity.java
new file mode 100644
index 000000000000..8f27c902e047
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/model/AbstractBaseEntity.java
@@ -0,0 +1,26 @@
+package ru.javawebinar.topjava.model;
+
+public abstract class AbstractBaseEntity {
+    protected Integer id;
+
+    protected AbstractBaseEntity(Integer id) {
+        this.id = id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public boolean isNew() {
+        return this.id == null;
+    }
+
+    @Override
+    public String toString() {
+        return getClass().getSimpleName() + ":" + id;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/ru/javawebinar/topjava/model/AbstractNamedEntity.java b/src/main/java/ru/javawebinar/topjava/model/AbstractNamedEntity.java
new file mode 100644
index 000000000000..2054a3d3cf9b
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/model/AbstractNamedEntity.java
@@ -0,0 +1,24 @@
+package ru.javawebinar.topjava.model;
+
+public abstract class AbstractNamedEntity extends AbstractBaseEntity {
+
+    protected String name;
+
+    protected AbstractNamedEntity(Integer id, String name) {
+        super(id);
+        this.name = name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return this.name;
+    }
+
+    @Override
+    public String toString() {
+        return super.toString() + '(' + name + ')';
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/ru/javawebinar/topjava/model/Meal.java b/src/main/java/ru/javawebinar/topjava/model/Meal.java
new file mode 100644
index 000000000000..3abbee42511e
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/model/Meal.java
@@ -0,0 +1,68 @@
+package ru.javawebinar.topjava.model;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+
+public class Meal {
+    private Integer id;
+
+    private final LocalDateTime dateTime;
+
+    private final String description;
+
+    private final int calories;
+
+    public Meal(LocalDateTime dateTime, String description, int calories) {
+        this(null, dateTime, description, calories);
+    }
+
+    public Meal(Integer id, LocalDateTime dateTime, String description, int calories) {
+        this.id = id;
+        this.dateTime = dateTime;
+        this.description = description;
+        this.calories = calories;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public LocalDateTime getDateTime() {
+        return dateTime;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public int getCalories() {
+        return calories;
+    }
+
+    public LocalDate getDate() {
+        return dateTime.toLocalDate();
+    }
+
+    public LocalTime getTime() {
+        return dateTime.toLocalTime();
+    }
+
+    public boolean isNew() {
+        return id == null;
+    }
+
+    @Override
+    public String toString() {
+        return "Meal{" +
+                "id=" + id +
+                ", dateTime=" + dateTime +
+                ", description='" + description + '\'' +
+                ", calories=" + calories +
+                '}';
+    }
+}
diff --git a/src/main/java/ru/javawebinar/topjava/model/MealTo.java b/src/main/java/ru/javawebinar/topjava/model/MealTo.java
new file mode 100644
index 000000000000..01b3a5fdaad1
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/model/MealTo.java
@@ -0,0 +1,54 @@
+package ru.javawebinar.topjava.model;
+
+import java.time.LocalDateTime;
+
+public class MealTo {
+    private final Integer id;
+
+    private final LocalDateTime dateTime;
+
+    private final String description;
+
+    private final int calories;
+
+    private final boolean excess;
+
+    public MealTo(Integer id, LocalDateTime dateTime, String description, int calories, boolean excess) {
+        this.id = id;
+        this.dateTime = dateTime;
+        this.description = description;
+        this.calories = calories;
+        this.excess = excess;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public LocalDateTime getDateTime() {
+        return dateTime;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public int getCalories() {
+        return calories;
+    }
+
+    public boolean isExcess() {
+        return excess;
+    }
+
+    @Override
+    public String toString() {
+        return "MealTo{" +
+                "id=" + id +
+                ", dateTime=" + dateTime +
+                ", description='" + description + '\'' +
+                ", calories=" + calories +
+                ", excess=" + excess +
+                '}';
+    }
+}
diff --git a/src/main/java/ru/javawebinar/topjava/model/Role.java b/src/main/java/ru/javawebinar/topjava/model/Role.java
new file mode 100644
index 000000000000..acb7a276f6dc
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/model/Role.java
@@ -0,0 +1,6 @@
+package ru.javawebinar.topjava.model;
+
+public enum Role {
+    USER,
+    ADMIN
+}
\ No newline at end of file
diff --git a/src/main/java/ru/javawebinar/topjava/model/User.java b/src/main/java/ru/javawebinar/topjava/model/User.java
new file mode 100644
index 000000000000..0ec0257d923d
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/model/User.java
@@ -0,0 +1,95 @@
+package ru.javawebinar.topjava.model;
+
+import org.springframework.util.CollectionUtils;
+
+import java.util.*;
+
+import static ru.javawebinar.topjava.util.MealsUtil.DEFAULT_CALORIES_PER_DAY;
+
+public class User extends AbstractNamedEntity {
+
+    private String email;
+
+    private String password;
+
+    private boolean enabled;
+
+    private Date registered = new Date();
+
+    private Set<Role> roles;
+
+    private int caloriesPerDay;
+
+    public User(Integer id, String name, String email, String password, Role... roles) {
+        this(id, name, email, password, DEFAULT_CALORIES_PER_DAY, true, Arrays.asList(roles));
+    }
+
+    public User(Integer id, String name, String email, String password, int caloriesPerDay, boolean enabled, Collection<Role> roles) {
+        super(id, name);
+        this.email = email;
+        this.password = password;
+        this.caloriesPerDay = caloriesPerDay;
+        this.enabled = enabled;
+        setRoles(roles);
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+    public Date getRegistered() {
+        return registered;
+    }
+
+    public void setRegistered(Date registered) {
+        this.registered = registered;
+    }
+
+    public void setEnabled(boolean enabled) {
+        this.enabled = enabled;
+    }
+
+    public int getCaloriesPerDay() {
+        return caloriesPerDay;
+    }
+
+    public void setCaloriesPerDay(int caloriesPerDay) {
+        this.caloriesPerDay = caloriesPerDay;
+    }
+
+    public boolean isEnabled() {
+        return enabled;
+    }
+
+    public Set<Role> getRoles() {
+        return roles;
+    }
+
+    public void setRoles(Collection<Role> roles) {
+        this.roles = CollectionUtils.isEmpty(roles) ? EnumSet.noneOf(Role.class) : EnumSet.copyOf(roles);
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    @Override
+    public String toString() {
+        return "User{" +
+                "id=" + id +
+                ", email=" + email +
+                ", name=" + name +
+                ", enabled=" + enabled +
+                ", roles=" + roles +
+                ", caloriesPerDay=" + caloriesPerDay +
+                '}';
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/ru/javawebinar/topjava/repository/MealRepository.java b/src/main/java/ru/javawebinar/topjava/repository/MealRepository.java
new file mode 100644
index 000000000000..675cdbb1bd38
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/repository/MealRepository.java
@@ -0,0 +1,20 @@
+package ru.javawebinar.topjava.repository;
+
+import ru.javawebinar.topjava.model.Meal;
+
+import java.util.Collection;
+
+// TODO add userId
+public interface MealRepository {
+    // null if updated meal does not belong to userId
+    Meal save(Meal meal);
+
+    // false if meal does not belong to userId
+    boolean delete(int id);
+
+    // null if meal does not belong to userId
+    Meal get(int id);
+
+    // ORDERED dateTime desc
+    Collection<Meal> getAll();
+}
diff --git a/src/main/java/ru/javawebinar/topjava/repository/UserRepository.java b/src/main/java/ru/javawebinar/topjava/repository/UserRepository.java
new file mode 100644
index 000000000000..138369789175
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/repository/UserRepository.java
@@ -0,0 +1,21 @@
+package ru.javawebinar.topjava.repository;
+
+import ru.javawebinar.topjava.model.User;
+
+import java.util.List;
+
+public interface UserRepository {
+    // null if not found, when updated
+    User save(User user);
+
+    // false if not found
+    boolean delete(int id);
+
+    // null if not found
+    User get(int id);
+
+    // null if not found
+    User getByEmail(String email);
+
+    List<User> getAll();
+}
\ No newline at end of file
diff --git a/src/main/java/ru/javawebinar/topjava/repository/inmemory/InMemoryMealRepository.java b/src/main/java/ru/javawebinar/topjava/repository/inmemory/InMemoryMealRepository.java
new file mode 100644
index 000000000000..3c7c9ff94dd2
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/repository/inmemory/InMemoryMealRepository.java
@@ -0,0 +1,46 @@
+package ru.javawebinar.topjava.repository.inmemory;
+
+import ru.javawebinar.topjava.model.Meal;
+import ru.javawebinar.topjava.repository.MealRepository;
+import ru.javawebinar.topjava.util.MealsUtil;
+
+import java.util.Collection;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.atomic.AtomicInteger;
+
+public class InMemoryMealRepository implements MealRepository {
+    private final Map<Integer, Meal> repository = new ConcurrentHashMap<>();
+    private final AtomicInteger counter = new AtomicInteger(0);
+
+    {
+        MealsUtil.meals.forEach(this::save);
+    }
+
+    @Override
+    public Meal save(Meal meal) {
+        if (meal.isNew()) {
+            meal.setId(counter.incrementAndGet());
+            repository.put(meal.getId(), meal);
+            return meal;
+        }
+        // handle case: update, but not present in storage
+        return repository.computeIfPresent(meal.getId(), (id, oldMeal) -> meal);
+    }
+
+    @Override
+    public boolean delete(int id) {
+        return repository.remove(id) != null;
+    }
+
+    @Override
+    public Meal get(int id) {
+        return repository.get(id);
+    }
+
+    @Override
+    public Collection<Meal> getAll() {
+        return repository.values();
+    }
+}
+
diff --git a/src/main/java/ru/javawebinar/topjava/repository/inmemory/InMemoryUserRepository.java b/src/main/java/ru/javawebinar/topjava/repository/inmemory/InMemoryUserRepository.java
new file mode 100644
index 000000000000..e2f8a9b8b10d
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/repository/inmemory/InMemoryUserRepository.java
@@ -0,0 +1,45 @@
+package ru.javawebinar.topjava.repository.inmemory;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Repository;
+import ru.javawebinar.topjava.model.User;
+import ru.javawebinar.topjava.repository.UserRepository;
+
+import java.util.Collections;
+import java.util.List;
+
+@Repository
+public class InMemoryUserRepository implements UserRepository {
+    private static final Logger log = LoggerFactory.getLogger(InMemoryUserRepository.class);
+
+    @Override
+    public boolean delete(int id) {
+        log.info("delete {}", id);
+        return true;
+    }
+
+    @Override
+    public User save(User user) {
+        log.info("save {}", user);
+        return user;
+    }
+
+    @Override
+    public User get(int id) {
+        log.info("get {}", id);
+        return null;
+    }
+
+    @Override
+    public List<User> getAll() {
+        log.info("getAll");
+        return Collections.emptyList();
+    }
+
+    @Override
+    public User getByEmail(String email) {
+        log.info("getByEmail {}", email);
+        return null;
+    }
+}
diff --git a/src/main/java/ru/javawebinar/topjava/service/MealService.java b/src/main/java/ru/javawebinar/topjava/service/MealService.java
new file mode 100644
index 000000000000..0dc4a43c394f
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/service/MealService.java
@@ -0,0 +1,9 @@
+package ru.javawebinar.topjava.service;
+
+import ru.javawebinar.topjava.repository.MealRepository;
+
+public class MealService {
+
+    private MealRepository repository;
+
+}
\ No newline at end of file
diff --git a/src/main/java/ru/javawebinar/topjava/service/UserService.java b/src/main/java/ru/javawebinar/topjava/service/UserService.java
new file mode 100644
index 000000000000..8fbe8dc0601f
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/service/UserService.java
@@ -0,0 +1,44 @@
+package ru.javawebinar.topjava.service;
+
+import org.springframework.stereotype.Service;
+import ru.javawebinar.topjava.model.User;
+import ru.javawebinar.topjava.repository.UserRepository;
+
+import java.util.List;
+
+import static ru.javawebinar.topjava.util.ValidationUtil.checkNotFound;
+import static ru.javawebinar.topjava.util.ValidationUtil.checkNotFoundWithId;
+
+@Service
+public class UserService {
+
+    private final UserRepository repository;
+
+    public UserService(UserRepository repository) {
+        this.repository = repository;
+    }
+
+    public User create(User user) {
+        return repository.save(user);
+    }
+
+    public void delete(int id) {
+        checkNotFoundWithId(repository.delete(id), id);
+    }
+
+    public User get(int id) {
+        return checkNotFoundWithId(repository.get(id), id);
+    }
+
+    public User getByEmail(String email) {
+        return checkNotFound(repository.getByEmail(email), "email=" + email);
+    }
+
+    public List<User> getAll() {
+        return repository.getAll();
+    }
+
+    public void update(User user) {
+        checkNotFoundWithId(repository.save(user), user.getId());
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/ru/javawebinar/topjava/util/DateTimeUtil.java b/src/main/java/ru/javawebinar/topjava/util/DateTimeUtil.java
new file mode 100644
index 000000000000..3f23f83fde65
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/util/DateTimeUtil.java
@@ -0,0 +1,18 @@
+package ru.javawebinar.topjava.util;
+
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.format.DateTimeFormatter;
+
+public class DateTimeUtil {
+    private static final DateTimeFormatter DATE_TIME_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm");
+
+    public static boolean isBetweenHalfOpen(LocalTime lt, LocalTime startTime, LocalTime endTime) {
+        return lt.compareTo(startTime) >= 0 && lt.compareTo(endTime) < 0;
+    }
+
+    public static String toString(LocalDateTime ldt) {
+        return ldt == null ? "" : ldt.format(DATE_TIME_FORMATTER);
+    }
+}
+
diff --git a/src/main/java/ru/javawebinar/topjava/util/MealsUtil.java b/src/main/java/ru/javawebinar/topjava/util/MealsUtil.java
new file mode 100644
index 000000000000..8d940a63efa1
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/util/MealsUtil.java
@@ -0,0 +1,54 @@
+package ru.javawebinar.topjava.util;
+
+import ru.javawebinar.topjava.model.Meal;
+import ru.javawebinar.topjava.model.MealTo;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.Month;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+import java.util.function.Predicate;
+import java.util.stream.Collectors;
+
+public class MealsUtil {
+    public static final int DEFAULT_CALORIES_PER_DAY = 2000;
+
+    public static final List<Meal> meals = Arrays.asList(
+            new Meal(LocalDateTime.of(2020, Month.JANUARY, 30, 10, 0), "Завтрак", 500),
+            new Meal(LocalDateTime.of(2020, Month.JANUARY, 30, 13, 0), "Обед", 1000),
+            new Meal(LocalDateTime.of(2020, Month.JANUARY, 30, 20, 0), "Ужин", 500),
+            new Meal(LocalDateTime.of(2020, Month.JANUARY, 31, 0, 0), "Еда на граничное значение", 100),
+            new Meal(LocalDateTime.of(2020, Month.JANUARY, 31, 10, 0), "Завтрак", 1000),
+            new Meal(LocalDateTime.of(2020, Month.JANUARY, 31, 13, 0), "Обед", 500),
+            new Meal(LocalDateTime.of(2020, Month.JANUARY, 31, 20, 0), "Ужин", 410)
+    );
+
+    public static List<MealTo> getTos(Collection<Meal> meals, int caloriesPerDay) {
+        return filterByPredicate(meals, caloriesPerDay, meal -> true);
+    }
+
+    public static List<MealTo> getFilteredTos(Collection<Meal> meals, int caloriesPerDay, LocalTime startTime, LocalTime endTime) {
+        return filterByPredicate(meals, caloriesPerDay, meal -> DateTimeUtil.isBetweenHalfOpen(meal.getTime(), startTime, endTime));
+    }
+
+    private static List<MealTo> filterByPredicate(Collection<Meal> meals, int caloriesPerDay, Predicate<Meal> filter) {
+        Map<LocalDate, Integer> caloriesSumByDate = meals.stream()
+                .collect(
+                        Collectors.groupingBy(Meal::getDate, Collectors.summingInt(Meal::getCalories))
+//                      Collectors.toMap(Meal::getDate, Meal::getCalories, Integer::sum)
+                );
+
+        return meals.stream()
+                .filter(filter)
+                .map(meal -> createTo(meal, caloriesSumByDate.get(meal.getDate()) > caloriesPerDay))
+                .collect(Collectors.toList());
+    }
+
+    private static MealTo createTo(Meal meal, boolean excess) {
+        return new MealTo(meal.getId(), meal.getDateTime(), meal.getDescription(), meal.getCalories(), excess);
+    }
+}
diff --git a/src/main/java/ru/javawebinar/topjava/util/ValidationUtil.java b/src/main/java/ru/javawebinar/topjava/util/ValidationUtil.java
new file mode 100644
index 000000000000..971eb9c0c72b
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/util/ValidationUtil.java
@@ -0,0 +1,43 @@
+package ru.javawebinar.topjava.util;
+
+
+import ru.javawebinar.topjava.model.AbstractBaseEntity;
+import ru.javawebinar.topjava.util.exception.NotFoundException;
+
+public class ValidationUtil {
+
+    public static <T> T checkNotFoundWithId(T object, int id) {
+        checkNotFoundWithId(object != null, id);
+        return object;
+    }
+
+    public static void checkNotFoundWithId(boolean found, int id) {
+        checkNotFound(found, "id=" + id);
+    }
+
+    public static <T> T checkNotFound(T object, String msg) {
+        checkNotFound(object != null, msg);
+        return object;
+    }
+
+    public static void checkNotFound(boolean found, String msg) {
+        if (!found) {
+            throw new NotFoundException("Not found entity with " + msg);
+        }
+    }
+
+    public static void checkNew(AbstractBaseEntity entity) {
+        if (!entity.isNew()) {
+            throw new IllegalArgumentException(entity + " must be new (id=null)");
+        }
+    }
+
+    public static void assureIdConsistent(AbstractBaseEntity entity, int id) {
+//      conservative when you reply, but accept liberally (http://stackoverflow.com/a/32728226/548473)
+        if (entity.isNew()) {
+            entity.setId(id);
+        } else if (entity.getId() != id) {
+            throw new IllegalArgumentException(entity + " must be with id=" + id);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/ru/javawebinar/topjava/util/exception/NotFoundException.java b/src/main/java/ru/javawebinar/topjava/util/exception/NotFoundException.java
new file mode 100644
index 000000000000..f1e9b0e46376
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/util/exception/NotFoundException.java
@@ -0,0 +1,7 @@
+package ru.javawebinar.topjava.util.exception;
+
+public class NotFoundException extends RuntimeException {
+    public NotFoundException(String message) {
+        super(message);
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/ru/javawebinar/topjava/web/MealServlet.java b/src/main/java/ru/javawebinar/topjava/web/MealServlet.java
new file mode 100644
index 000000000000..7a0b8aed8ca7
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/web/MealServlet.java
@@ -0,0 +1,77 @@
+package ru.javawebinar.topjava.web;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import ru.javawebinar.topjava.model.Meal;
+import ru.javawebinar.topjava.repository.MealRepository;
+import ru.javawebinar.topjava.repository.inmemory.InMemoryMealRepository;
+import ru.javawebinar.topjava.util.MealsUtil;
+
+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.time.LocalDateTime;
+import java.time.temporal.ChronoUnit;
+import java.util.Objects;
+
+public class MealServlet extends HttpServlet {
+    private static final Logger log = LoggerFactory.getLogger(MealServlet.class);
+
+    private MealRepository repository;
+
+    @Override
+    public void init() {
+        repository = new InMemoryMealRepository();
+    }
+
+    @Override
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException {
+        request.setCharacterEncoding("UTF-8");
+        String id = request.getParameter("id");
+
+        Meal meal = new Meal(id.isEmpty() ? null : Integer.valueOf(id),
+                LocalDateTime.parse(request.getParameter("dateTime")),
+                request.getParameter("description"),
+                Integer.parseInt(request.getParameter("calories")));
+
+        log.info(meal.isNew() ? "Create {}" : "Update {}", meal);
+        repository.save(meal);
+        response.sendRedirect("meals");
+    }
+
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        String action = request.getParameter("action");
+
+        switch (action == null ? "all" : action) {
+            case "delete":
+                int id = getId(request);
+                log.info("Delete id={}", id);
+                repository.delete(id);
+                response.sendRedirect("meals");
+                break;
+            case "create":
+            case "update":
+                final Meal meal = "create".equals(action) ?
+                        new Meal(LocalDateTime.now().truncatedTo(ChronoUnit.MINUTES), "", 1000) :
+                        repository.get(getId(request));
+                request.setAttribute("meal", meal);
+                request.getRequestDispatcher("/mealForm.jsp").forward(request, response);
+                break;
+            case "all":
+            default:
+                log.info("getAll");
+                request.setAttribute("meals",
+                        MealsUtil.getTos(repository.getAll(), MealsUtil.DEFAULT_CALORIES_PER_DAY));
+                request.getRequestDispatcher("/meals.jsp").forward(request, response);
+                break;
+        }
+    }
+
+    private int getId(HttpServletRequest request) {
+        String paramId = Objects.requireNonNull(request.getParameter("id"));
+        return Integer.parseInt(paramId);
+    }
+}
diff --git a/src/main/java/ru/javawebinar/topjava/web/SecurityUtil.java b/src/main/java/ru/javawebinar/topjava/web/SecurityUtil.java
new file mode 100644
index 000000000000..e78a4b284a9a
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/web/SecurityUtil.java
@@ -0,0 +1,14 @@
+package ru.javawebinar.topjava.web;
+
+import static ru.javawebinar.topjava.util.MealsUtil.DEFAULT_CALORIES_PER_DAY;
+
+public class SecurityUtil {
+
+    public static int authUserId() {
+        return 1;
+    }
+
+    public static int authUserCaloriesPerDay() {
+        return DEFAULT_CALORIES_PER_DAY;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/ru/javawebinar/topjava/web/UserServlet.java b/src/main/java/ru/javawebinar/topjava/web/UserServlet.java
new file mode 100644
index 000000000000..f6cf12e69976
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/web/UserServlet.java
@@ -0,0 +1,21 @@
+package ru.javawebinar.topjava.web;
+
+import org.slf4j.Logger;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+public class UserServlet extends HttpServlet {
+    private static final Logger log = getLogger(UserServlet.class);
+
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        log.debug("forward to users");
+        request.getRequestDispatcher("/users.jsp").forward(request, response);
+    }
+}
diff --git a/src/main/java/ru/javawebinar/topjava/web/meal/MealRestController.java b/src/main/java/ru/javawebinar/topjava/web/meal/MealRestController.java
new file mode 100644
index 000000000000..ab4e8ea8bb8e
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/web/meal/MealRestController.java
@@ -0,0 +1,8 @@
+package ru.javawebinar.topjava.web.meal;
+
+import ru.javawebinar.topjava.service.MealService;
+
+public class MealRestController {
+    private MealService service;
+
+}
\ No newline at end of file
diff --git a/src/main/java/ru/javawebinar/topjava/web/user/AbstractUserController.java b/src/main/java/ru/javawebinar/topjava/web/user/AbstractUserController.java
new file mode 100644
index 000000000000..0000f1c1e02f
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/web/user/AbstractUserController.java
@@ -0,0 +1,51 @@
+package ru.javawebinar.topjava.web.user;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import ru.javawebinar.topjava.model.User;
+import ru.javawebinar.topjava.service.UserService;
+
+import java.util.List;
+
+import static ru.javawebinar.topjava.util.ValidationUtil.assureIdConsistent;
+import static ru.javawebinar.topjava.util.ValidationUtil.checkNew;
+
+public abstract class AbstractUserController {
+    protected final Logger log = LoggerFactory.getLogger(getClass());
+
+    @Autowired
+    private UserService service;
+
+    public List<User> getAll() {
+        log.info("getAll");
+        return service.getAll();
+    }
+
+    public User get(int id) {
+        log.info("get {}", id);
+        return service.get(id);
+    }
+
+    public User create(User user) {
+        log.info("create {}", user);
+        checkNew(user);
+        return service.create(user);
+    }
+
+    public void delete(int id) {
+        log.info("delete {}", id);
+        service.delete(id);
+    }
+
+    public void update(User user, int id) {
+        log.info("update {} with id={}", user, id);
+        assureIdConsistent(user, id);
+        service.update(user);
+    }
+
+    public User getByMail(String email) {
+        log.info("getByEmail {}", email);
+        return service.getByEmail(email);
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/ru/javawebinar/topjava/web/user/AdminRestController.java b/src/main/java/ru/javawebinar/topjava/web/user/AdminRestController.java
new file mode 100644
index 000000000000..b37a8ed6c8a5
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/web/user/AdminRestController.java
@@ -0,0 +1,40 @@
+package ru.javawebinar.topjava.web.user;
+
+import org.springframework.stereotype.Controller;
+import ru.javawebinar.topjava.model.User;
+
+import java.util.List;
+
+@Controller
+public class AdminRestController extends AbstractUserController {
+
+    @Override
+    public List<User> getAll() {
+        return super.getAll();
+    }
+
+    @Override
+    public User get(int id) {
+        return super.get(id);
+    }
+
+    @Override
+    public User create(User user) {
+        return super.create(user);
+    }
+
+    @Override
+    public void delete(int id) {
+        super.delete(id);
+    }
+
+    @Override
+    public void update(User user, int id) {
+        super.update(user, id);
+    }
+
+    @Override
+    public User getByMail(String email) {
+        return super.getByMail(email);
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/ru/javawebinar/topjava/web/user/ProfileRestController.java b/src/main/java/ru/javawebinar/topjava/web/user/ProfileRestController.java
new file mode 100644
index 000000000000..7d3702c31c46
--- /dev/null
+++ b/src/main/java/ru/javawebinar/topjava/web/user/ProfileRestController.java
@@ -0,0 +1,22 @@
+package ru.javawebinar.topjava.web.user;
+
+import org.springframework.stereotype.Controller;
+import ru.javawebinar.topjava.model.User;
+
+import static ru.javawebinar.topjava.web.SecurityUtil.authUserId;
+
+@Controller
+public class ProfileRestController extends AbstractUserController {
+
+    public User get() {
+        return super.get(authUserId());
+    }
+
+    public void delete() {
+        super.delete(authUserId());
+    }
+
+    public void update(User user) {
+        super.update(user, authUserId());
+    }
+}
\ No newline at end of file
diff --git a/src/main/resources/logback.xml b/src/main/resources/logback.xml
new file mode 100644
index 000000000000..bdf004d037fb
--- /dev/null
+++ b/src/main/resources/logback.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration scan="true" scanPeriod="30 seconds">
+
+    <!-- To enable JMX Management -->
+    <jmxConfigurator/>
+
+    <appender name="file" class="ch.qos.logback.core.FileAppender">
+        <file>${TOPJAVA_ROOT}/log/topjava.log</file>
+
+        <encoder>
+            <charset>UTF-8</charset>
+            <pattern>%date %-5level %logger{0} [%file:%line] %msg%n</pattern>
+        </encoder>
+    </appender>
+
+    <appender name="console" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <charset>UTF-8</charset>
+            <pattern>%-5level %logger{0} [%file:%line] %msg%n</pattern>
+        </encoder>
+    </appender>
+
+    <logger name="ru.javawebinar.topjava" level="debug"/>
+
+    <root level="info">
+        <appender-ref ref="file"/>
+        <appender-ref ref="console"/>
+    </root>
+</configuration>
\ No newline at end of file
diff --git a/src/main/resources/spring/spring-app.xml b/src/main/resources/spring/spring-app.xml
new file mode 100644
index 000000000000..cac42ba13e3d
--- /dev/null
+++ b/src/main/resources/spring/spring-app.xml
@@ -0,0 +1,18 @@
+<beans xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd">
+
+<!--
+    <bean class="ru.javawebinar.topjava.repository.inmemory.InMemoryUserRepository" id="inmemoryUserRepository"/>
+
+    <bean class="ru.javawebinar.topjava.service.UserService">
+        <constructor-arg name="repository" ref="inmemoryUserRepository"/>
+    </bean>
+-->
+    <context:component-scan base-package="ru.javawebinar.**.repository"/>
+
+    <context:component-scan base-package="ru.javawebinar.**.service"/>
+
+    <context:component-scan base-package="ru.javawebinar.**.web"/>
+
+</beans>
\ No newline at end of file
diff --git a/src/main/webapp/WEB-INF/tld/functions.tld b/src/main/webapp/WEB-INF/tld/functions.tld
new file mode 100644
index 000000000000..d138fecdbfb5
--- /dev/null
+++ b/src/main/webapp/WEB-INF/tld/functions.tld
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<taglib version="2.1"
+        xmlns="http://java.sun.com/xml/ns/javaee"
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-jsptaglibrary_2_1.xsd">
+
+    <tlib-version>1.0</tlib-version>
+    <short-name>functions</short-name>
+    <uri>http://topjava.javawebinar.ru/functions</uri>
+
+    <function>
+        <name>formatDateTime</name>
+        <function-class>ru.javawebinar.topjava.util.DateTimeUtil</function-class>
+        <function-signature>java.lang.String toString(java.time.LocalDateTime)</function-signature>
+    </function>
+</taglib>
diff --git a/src/main/webapp/WEB-INF/web.xml b/src/main/webapp/WEB-INF/web.xml
new file mode 100644
index 000000000000..0ac5a7610ed4
--- /dev/null
+++ b/src/main/webapp/WEB-INF/web.xml
@@ -0,0 +1,28 @@
+<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
+		 http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
+         version="4.0">
+
+    <display-name>TopJava</display-name>
+
+    <servlet>
+        <servlet-name>userServlet</servlet-name>
+        <servlet-class>ru.javawebinar.topjava.web.UserServlet</servlet-class>
+        <load-on-startup>0</load-on-startup>
+    </servlet>
+    <servlet-mapping>
+        <servlet-name>userServlet</servlet-name>
+        <url-pattern>/users</url-pattern>
+    </servlet-mapping>
+
+    <servlet>
+        <servlet-name>mealServlet</servlet-name>
+        <servlet-class>ru.javawebinar.topjava.web.MealServlet</servlet-class>
+        <load-on-startup>0</load-on-startup>
+    </servlet>
+    <servlet-mapping>
+        <servlet-name>mealServlet</servlet-name>
+        <url-pattern>/meals</url-pattern>
+    </servlet-mapping>
+</web-app>
diff --git a/src/main/webapp/index.html b/src/main/webapp/index.html
new file mode 100644
index 000000000000..714683bd3856
--- /dev/null
+++ b/src/main/webapp/index.html
@@ -0,0 +1,14 @@
+<html lang="ru">
+<head>
+    <meta charset="UTF-8">
+    <title>Java Enterprise (Topjava)</title>
+</head>
+<body>
+<h3>Проект <a href="https://github.com/JavaWebinar/topjava" target="_blank">Java Enterprise (Topjava)</a></h3>
+<hr>
+<ul style="font-size: large">
+    <li><a href="users">Users</a></li>
+    <li><a href="meals">Meals</a></li>
+</ul>
+</body>
+</html>
diff --git a/src/main/webapp/mealForm.jsp b/src/main/webapp/mealForm.jsp
new file mode 100644
index 000000000000..28f140b65fce
--- /dev/null
+++ b/src/main/webapp/mealForm.jsp
@@ -0,0 +1,51 @@
+<%@ page contentType="text/html;charset=UTF-8" %>
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
+
+<html>
+<head>
+    <title>Meal</title>
+    <style>
+        dl {
+            background: none repeat scroll 0 0 #FAFAFA;
+            margin: 8px 0;
+            padding: 0;
+        }
+
+        dt {
+            display: inline-block;
+            width: 170px;
+        }
+
+        dd {
+            display: inline-block;
+            margin-left: 8px;
+            vertical-align: top;
+        }
+    </style>
+</head>
+<body>
+<section>
+    <h3><a href="index.html">Home</a></h3>
+    <hr>
+    <h2>${param.action == 'create' ? 'Create meal' : 'Edit meal'}</h2>
+    <jsp:useBean id="meal" type="ru.javawebinar.topjava.model.Meal" scope="request"/>
+    <form method="post" action="meals">
+        <input type="hidden" name="id" value="${meal.id}">
+        <dl>
+            <dt>DateTime:</dt>
+            <dd><input type="datetime-local" value="${meal.dateTime}" name="dateTime" required></dd>
+        </dl>
+        <dl>
+            <dt>Description:</dt>
+            <dd><input type="text" value="${meal.description}" size=40 name="description" required></dd>
+        </dl>
+        <dl>
+            <dt>Calories:</dt>
+            <dd><input type="number" value="${meal.calories}" name="calories" required></dd>
+        </dl>
+        <button type="submit">Save</button>
+        <button onclick="window.history.back()" type="button">Cancel</button>
+    </form>
+</section>
+</body>
+</html>
diff --git a/src/main/webapp/meals.jsp b/src/main/webapp/meals.jsp
new file mode 100644
index 000000000000..224d9876135b
--- /dev/null
+++ b/src/main/webapp/meals.jsp
@@ -0,0 +1,54 @@
+<%@ page contentType="text/html;charset=UTF-8" %>
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
+<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
+<%@ taglib prefix="fn" uri="http://topjava.javawebinar.ru/functions" %>
+<%--<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions"%>--%>
+<html>
+<head>
+    <title>Meal list</title>
+    <style>
+        .normal {
+            color: green;
+        }
+
+        .excess {
+            color: red;
+        }
+    </style>
+</head>
+<body>
+<section>
+    <h3><a href="index.html">Home</a></h3>
+    <hr/>
+    <h2>Meals</h2>
+    <a href="meals?action=create">Add Meal</a>
+    <br><br>
+    <table border="1" cellpadding="8" cellspacing="0">
+        <thead>
+        <tr>
+            <th>Date</th>
+            <th>Description</th>
+            <th>Calories</th>
+            <th></th>
+            <th></th>
+        </tr>
+        </thead>
+        <c:forEach items="${requestScope.meals}" var="meal">
+            <jsp:useBean id="meal" type="ru.javawebinar.topjava.model.MealTo"/>
+            <tr class="${meal.excess ? 'excess' : 'normal'}">
+                <td>
+                        <%--${meal.dateTime.toLocalDate()} ${meal.dateTime.toLocalTime()}--%>
+                        <%--<%=TimeUtil.toString(meal.getDateTime())%>--%>
+                        <%--${fn:replace(meal.dateTime, 'T', ' ')}--%>
+                        ${fn:formatDateTime(meal.dateTime)}
+                </td>
+                <td>${meal.description}</td>
+                <td>${meal.calories}</td>
+                <td><a href="meals?action=update&id=${meal.id}">Update</a></td>
+                <td><a href="meals?action=delete&id=${meal.id}">Delete</a></td>
+            </tr>
+        </c:forEach>
+    </table>
+</section>
+</body>
+</html>
\ No newline at end of file
diff --git a/src/main/webapp/users.jsp b/src/main/webapp/users.jsp
new file mode 100644
index 000000000000..650c8dda479c
--- /dev/null
+++ b/src/main/webapp/users.jsp
@@ -0,0 +1,11 @@
+<%@ page contentType="text/html;charset=UTF-8" %>
+<html lang="ru">
+<head>
+    <title>Users</title>
+</head>
+<body>
+<h3><a href="index.html">Home</a></h3>
+<hr>
+<h2>Users</h2>
+</body>
+</html>
\ No newline at end of file