feat: 상품 목록 & 상세 조회 캐싱

Author: Kimjipang

apps/commerce-api/src/main/java/com/loopers/application/product/ProductFacade.java

@@ -8,6 +8,7 @@
 import com.loopers.support.error.CoreException;
 import com.loopers.support.error.ErrorType;
 import lombok.RequiredArgsConstructor;
+import org.springframework.cache.annotation.Cacheable;
 import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -36,6 +37,7 @@ public ProductInfo registerProduct(ProductV1Dto.ProductRequest request) {
     }
 
     @Transactional(readOnly = true)
+    @Cacheable(value = "products", key = "'all'")
     public List<ProductInfo> findAllProducts() {
         List<Product> products = productRepository.findAll();
 
@@ -45,6 +47,7 @@ public List<ProductInfo> findAllProducts() {
     }
 
     @Transactional(readOnly = true)
+    @Cacheable(value = "product", key = "#id")
     public ProductInfo findProductById(Long id) {
         Product product = productRepository.findById(id).orElseThrow(
                 () -> new CoreException(ErrorType.NOT_FOUND, "찾고자 하는 상품이 존재하지 않습니다.")