[BE] feat: Spring Cache 적용 (#792)

backend/build.gradle

@@ -29,6 +29,7 @@ dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-web'
     implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
     implementation 'org.springframework.boot:spring-boot-starter-validation'
+    implementation 'org.springframework.boot:spring-boot-starter-cache'
     implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.5.0'
     implementation 'org.springframework.boot:spring-boot-starter-actuator'
     implementation 'io.micrometer:micrometer-registry-prometheus'

backend/src/main/java/reviewme/config/CacheManagerConfig.java

@@ -0,0 +1,19 @@
+package reviewme.config;
+
+import org.springframework.cache.CacheManager;
+import org.springframework.cache.annotation.EnableCaching;
+import org.springframework.cache.concurrent.ConcurrentMapCacheManager;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
+
+@Configuration
+@EnableCaching
+public class CacheManagerConfig {
+
+    @Profile({"local", "dev", "prod"})
+    @Bean
+    public CacheManager cacheManager() {
+        return new ConcurrentMapCacheManager();
+    }
+}

backend/src/main/java/reviewme/template/service/mapper/TemplateMapper.java

@@ -2,6 +2,7 @@
 
 import java.util.List;
 import lombok.RequiredArgsConstructor;
+import org.springframework.cache.annotation.Cacheable;
 import org.springframework.stereotype.Component;
 import reviewme.template.domain.OptionGroup;
 import reviewme.template.domain.OptionItem;
@@ -14,17 +15,17 @@
 import reviewme.template.domain.SectionQuestion;
 import reviewme.template.domain.Template;
 import reviewme.template.domain.TemplateSection;
-import reviewme.template.service.exception.MissingOptionItemsInOptionGroupException;
-import reviewme.template.service.exception.SectionInTemplateNotFoundException;
-import reviewme.template.service.exception.TemplateNotFoundByReviewGroupException;
 import reviewme.template.repository.SectionRepository;
 import reviewme.template.repository.TemplateRepository;
 import reviewme.template.service.dto.response.OptionGroupResponse;
 import reviewme.template.service.dto.response.OptionItemResponse;
 import reviewme.template.service.dto.response.QuestionResponse;
 import reviewme.template.service.dto.response.SectionResponse;
 import reviewme.template.service.dto.response.TemplateResponse;
+import reviewme.template.service.exception.MissingOptionItemsInOptionGroupException;
 import reviewme.template.service.exception.QuestionInSectionNotFoundException;
+import reviewme.template.service.exception.SectionInTemplateNotFoundException;
+import reviewme.template.service.exception.TemplateNotFoundByReviewGroupException;
 
 @Component
 @RequiredArgsConstructor
@@ -38,6 +39,7 @@ public class TemplateMapper {
     private final OptionGroupRepository optionGroupRepository;
     private final OptionItemRepository optionItemRepository;
 
+    @Cacheable(value = "template_response", key = "#reviewGroup.templateId")
     public TemplateResponse mapToTemplateResponse(ReviewGroup reviewGroup) {
         Template template = templateRepository.findById(reviewGroup.getTemplateId())
                 .orElseThrow(() -> new TemplateNotFoundByReviewGroupException(

backend/src/test/resources/application.yml

@@ -13,6 +13,8 @@ spring:
       ddl-auto: update
   flyway:
     enabled: false
+  cache:
+    type: none
 
 springdoc:
   swagger-ui: