diff --git a/src/main/java/dsr/amm/homebudget/controller/CategoryController.java b/src/main/java/dsr/amm/homebudget/controller/CategoryController.java
new file mode 100644
index 0000000..ec53bbd
--- /dev/null
+++ b/src/main/java/dsr/amm/homebudget/controller/CategoryController.java
@@ -0,0 +1,46 @@
+package dsr.amm.homebudget.controller;
+
+
+import dsr.amm.homebudget.data.dto.CategoryDTO;
+import dsr.amm.homebudget.service.impl.CategoryService;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+/**
+ * @author Trokhin
+ *
+ */
+
+@RestController
+@RequestMapping("/categories")
+public class CategoryController {
+
+    private final CategoryService categoryService;
+
+    public CategoryController(CategoryService categoryService) {
+        this.categoryService = categoryService;
+    }
+
+    @GetMapping("/all")
+    public List<CategoryDTO> getAll() {
+        return categoryService.getAll();
+    }
+    @GetMapping("/{id}")
+    public CategoryDTO getByID(@PathVariable("id") Long id) {
+        CategoryDTO categoryDTO = categoryService.get(id);
+
+        if(categoryDTO == null)
+            throw new IllegalArgumentException();
+        else
+            return categoryDTO;
+    }
+    @PostMapping
+    public CategoryDTO create(@RequestBody CategoryDTO categoryDTO) {
+        return categoryService.create(categoryDTO);
+    }
+    @DeleteMapping("/{id}")
+    public CategoryDTO delete(@PathVariable("id") Long id) {
+        return categoryService.delete(id);
+    }
+}
diff --git a/src/main/java/dsr/amm/homebudget/data/dto/CategoryDTO.java b/src/main/java/dsr/amm/homebudget/data/dto/CategoryDTO.java
new file mode 100644
index 0000000..a5bf3f2
--- /dev/null
+++ b/src/main/java/dsr/amm/homebudget/data/dto/CategoryDTO.java
@@ -0,0 +1,48 @@
+package dsr.amm.homebudget.data.dto;
+
+
+/**
+ * @author Trokhin
+ *
+ * Поле для ownerId пока не мапится, но оно пока и не нужно, его легко убрать если оно станет точно ненужным, а пока пусть будет.
+ * Так же из-за невозможности его замапить, все создаваемые категории получаются с ownerId = null.
+ */
+public class CategoryDTO {
+    private Long id;
+    private String name;
+    private String description;
+
+    private Long ownerId;
+
+    //id
+    public Long getId() {
+        return id;
+    }
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    //name
+    public String getName() {
+        return name;
+    }
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    //description
+    public String getDescription() {
+        return description;
+    }
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    //ownerId
+    public Long getOwnerId() {
+        return ownerId;
+    }
+    public void setOwnerId(Long ownerId) {
+        this.ownerId = ownerId;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/dsr/amm/homebudget/data/repository/ICategoryRepository.java b/src/main/java/dsr/amm/homebudget/data/repository/ICategoryRepository.java
new file mode 100644
index 0000000..f3144f0
--- /dev/null
+++ b/src/main/java/dsr/amm/homebudget/data/repository/ICategoryRepository.java
@@ -0,0 +1,16 @@
+package dsr.amm.homebudget.data.repository;
+
+import dsr.amm.homebudget.data.entity.Category;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.stereotype.Repository;
+
+/**
+ * @author Trokhin
+ *
+ * Здесь я решил использовать {@code JpaRepository}, хотя пока это и не сильно оправдано, но в будущем может пригодиться.
+ */
+
+@Repository
+public interface ICategoryRepository extends JpaRepository<Category, Long> {
+}
diff --git a/src/main/java/dsr/amm/homebudget/service/ICategoryService.java b/src/main/java/dsr/amm/homebudget/service/ICategoryService.java
new file mode 100644
index 0000000..7268caa
--- /dev/null
+++ b/src/main/java/dsr/amm/homebudget/service/ICategoryService.java
@@ -0,0 +1,39 @@
+package dsr.amm.homebudget.service;
+
+import dsr.amm.homebudget.data.dto.CategoryDTO;
+
+import java.util.List;
+
+/**
+ * @author Trokhin
+ *
+ */
+public interface ICategoryService {
+
+    /**
+     *
+     * @param categoryDTO - dto, передаваемое в запрос, которое надо создать и поместить в базу данных
+     * @return - созданный объект
+     */
+    public CategoryDTO create(CategoryDTO categoryDTO);
+
+    /**
+     *
+     * @param categoryDTO - который надо удалить
+     * @return - удаленный объект
+     */
+    public CategoryDTO delete(CategoryDTO categoryDTO);
+
+    /**
+     *
+     * @return список объектов хранящихся в базе данных
+     */
+    public List<CategoryDTO> getAll();
+
+    /**
+     *
+     * @param id - id необходимого нам объекта
+     * @return полученный объект
+     */
+    public CategoryDTO get(Long id);
+}
diff --git a/src/main/java/dsr/amm/homebudget/service/impl/CategoryService.java b/src/main/java/dsr/amm/homebudget/service/impl/CategoryService.java
new file mode 100644
index 0000000..8557ded
--- /dev/null
+++ b/src/main/java/dsr/amm/homebudget/service/impl/CategoryService.java
@@ -0,0 +1,76 @@
+package dsr.amm.homebudget.service.impl;
+
+import dsr.amm.homebudget.OrikaMapper;
+import dsr.amm.homebudget.data.dto.CategoryDTO;
+import dsr.amm.homebudget.data.entity.Category;
+import dsr.amm.homebudget.data.repository.ICategoryRepository;
+import dsr.amm.homebudget.service.ICategoryService;
+import org.springframework.stereotype.Service;
+
+import javax.transaction.Transactional;
+import java.util.List;
+import java.util.Optional;
+
+/**
+ *
+ * @author Trokhin
+ */
+
+@Service
+public class CategoryService implements ICategoryService {
+
+    private final ICategoryRepository categoryRepository;
+    private final OrikaMapper mapper;
+
+    public CategoryService(ICategoryRepository repository, OrikaMapper mapper) {
+        this.categoryRepository = repository;
+        this.mapper = mapper;
+    }
+
+    @Override
+    @Transactional
+    public CategoryDTO create(CategoryDTO categoryDTO) {
+        Category category = fromDTO(categoryDTO);
+
+        Category savedCategory = categoryRepository.save(category);
+        return toDTO(savedCategory);
+    }
+
+    @Override
+    @Transactional
+    public CategoryDTO delete(CategoryDTO categoryDTO) {
+        return delete(categoryDTO.getId());
+    }
+
+    public CategoryDTO delete(Long id) {
+        Optional<Category> category = categoryRepository.findById(id);
+
+        category.ifPresent(categoryRepository::delete);
+
+        return toDTO(category.get());
+    }
+
+    @Override
+    @Transactional
+    public List<CategoryDTO> getAll() {
+        return toDTO((List<Category>) categoryRepository.findAll());
+    }
+
+    @Override
+    @Transactional
+    public CategoryDTO get(Long id) {
+        Optional<Category> category = categoryRepository.findById(id);
+
+        return category.map(this::toDTO).orElse(null);
+    }
+
+    private Category fromDTO(CategoryDTO categoryDTO) {
+        return mapper.map(categoryDTO, Category.class);
+    }
+    private CategoryDTO toDTO(Category category) {
+        return mapper.map(category, CategoryDTO.class);
+    }
+    private List<CategoryDTO> toDTO(List<Category> list) {
+        return mapper.mapAsList(list, CategoryDTO.class);
+    }
+}
diff --git a/src/main/resources/application.yaml b/src/main/resources/application.yaml
index 4e41bce..eb2398f 100644
--- a/src/main/resources/application.yaml
+++ b/src/main/resources/application.yaml
@@ -6,7 +6,7 @@ spring:
     generate-ddl: true # Whether to initialize the schema on startup.
     hibernate.ddl-auto: update
   datasource:
-    url: jdbc:postgresql://localhost:5432/home-budget
-    username: user
-    password: myPass
+    url: jdbc:postgresql://localhost:5432/homebudget
+    username: myuser
+    password: qwerty
     driver-class-name: org.postgresql.Driver