[refactor] : Replace Redis cache with Caffeine

server/build.gradle

@@ -78,11 +78,16 @@ dependencies {
 	//local용 db
 	runtimeOnly 'org.mariadb.jdbc:mariadb-java-client'
 
+	//cache
+	implementation 'org.springframework.boot:spring-boot-starter-cache'
+
 	//redis
 	implementation 'org.springframework.boot:spring-boot-starter-data-redis'
-	implementation 'org.springframework.boot:spring-boot-starter-cache'
 	implementation 'com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.13.3'
 
+	//caffeine
+	implementation 'com.github.ben-manes.caffeine:caffeine'
+
 	//smtp 메일 전송
 	implementation 'org.springframework.boot:spring-boot-starter-mail'
 

server/src/main/java/com/greenroom/server/api/domain/greenroom/dto/out/DiaryListResponseDto.java

@@ -2,7 +2,7 @@
 
 
 import com.greenroom.server.api.domain.greenroom.entity.Diary;
-import com.greenroom.server.api.global.config.PropertiesHolder;
+import com.greenroom.server.api.global.properties.PropertiesHolder;
 
 import java.time.LocalDate;
 import java.time.LocalDateTime;

server/src/main/java/com/greenroom/server/api/domain/greenroom/dto/out/DiaryResponseDto.java

@@ -1,10 +1,9 @@
 package com.greenroom.server.api.domain.greenroom.dto.out;
 
 import com.greenroom.server.api.domain.greenroom.entity.Diary;
-import com.greenroom.server.api.global.config.PropertiesHolder;
+import com.greenroom.server.api.global.properties.PropertiesHolder;
 import lombok.Data;
 
-import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.LocalTime;
 

server/src/main/java/com/greenroom/server/api/domain/greenroom/dto/out/GreenroomCalendarResponseDto.java

@@ -1,7 +1,7 @@
 package com.greenroom.server.api.domain.greenroom.dto.out;
 
 import com.greenroom.server.api.domain.greenroom.entity.*;
-import com.greenroom.server.api.global.config.PropertiesHolder;
+import com.greenroom.server.api.global.properties.PropertiesHolder;
 
 import java.time.LocalDate;
 import java.time.LocalDateTime;

server/src/main/java/com/greenroom/server/api/domain/greenroom/dto/out/GreenroomDetailResponseDto.java

@@ -2,7 +2,7 @@
 
 import com.greenroom.server.api.domain.greenroom.entity.GreenRoom;
 import com.greenroom.server.api.domain.greenroom.entity.Todo;
-import com.greenroom.server.api.global.config.PropertiesHolder;
+import com.greenroom.server.api.global.properties.PropertiesHolder;
 
 import java.time.LocalDate;
 import java.util.List;

server/src/main/java/com/greenroom/server/api/domain/greenroom/dto/out/GreenroomInfoResponseDto.java

@@ -2,12 +2,8 @@
 
 import com.greenroom.server.api.domain.greenroom.entity.Activity;
 import com.greenroom.server.api.domain.greenroom.entity.GreenRoom;
-import com.greenroom.server.api.domain.greenroom.entity.Item;
-import com.greenroom.server.api.global.config.PropertiesHolder;
-import lombok.AllArgsConstructor;
-import lombok.Data;
+import com.greenroom.server.api.global.properties.PropertiesHolder;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.beans.factory.annotation.Value;
 
 import java.util.List;
 import java.util.Map;

server/src/main/java/com/greenroom/server/api/domain/greenroom/dto/out/PlantInfoDto.java

@@ -1,8 +1,7 @@
 package com.greenroom.server.api.domain.greenroom.dto.out;
 
 import com.greenroom.server.api.domain.greenroom.entity.Plant;
-import com.greenroom.server.api.global.config.PropertiesHolder;
-import org.springframework.beans.factory.annotation.Value;
+import com.greenroom.server.api.global.properties.PropertiesHolder;
 
 public record PlantInfoDto (Long plantId, String name, String scientificName, String description, String imageUrl){
 

server/src/main/java/com/greenroom/server/api/domain/greenroom/service/ItemCachedService.java

@@ -20,7 +20,7 @@ public class ItemCachedService {
     //repository
     private final ItemRepository itemRepository;
 
-    @Cacheable(cacheNames = {"items"},key = "#category+'_'+#subCategory",cacheManager = "itemCacheManager")
+    @Cacheable(cacheNames = {"items"},key = "#category+'_'+#subCategory")
     public List<Item> getItems(Integer category, Integer subCategory){
         return(itemRepository.findAll()
                 .stream()

server/src/main/java/com/greenroom/server/api/domain/greenroom/service/PlantService.java

@@ -103,7 +103,7 @@ public List<PlantResponseDto> getPlantListWithKeyword(String keyWord, Integer si
             throw new CustomException(ResponseCodeEnum.FAIL_TO_SEARCH_WITH_ELASTICSEARCH,e.getMessage());
         }
     }
-    @Cacheable(cacheNames = {"plants"},key = "#size",cacheManager = "basicCacheManager")
+    @Cacheable(cacheNames = {"plants"},key = "#size")
     public List<PlantResponseDto> getPopularPlantList(Integer size){
 
         return plantRepository.findAll()

server/src/main/java/com/greenroom/server/api/config/AwsS3Config.java → server/src/main/java/com/greenroom/server/api/global/config/AwsS3Config.java

@@ -1,4 +1,4 @@
-package com.greenroom.server.api.config;
+package com.greenroom.server.api.global.config;
 
 import com.amazonaws.auth.AWSStaticCredentialsProvider;
 import com.amazonaws.auth.BasicAWSCredentials;

server/src/main/java/com/greenroom/server/api/global/config/CaffeineCacheConfig.java

@@ -0,0 +1,32 @@
+package com.greenroom.server.api.global.config;
+
+
+import com.github.benmanes.caffeine.cache.Caffeine;
+import com.greenroom.server.api.global.enums.CacheType;
+import org.springframework.cache.CacheManager;
+import org.springframework.cache.annotation.EnableCaching;
+import org.springframework.cache.caffeine.CaffeineCache;
+import org.springframework.cache.support.SimpleCacheManager;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+@Configuration
+@EnableCaching
+public class CaffeineCacheConfig {
+    @Bean
+    public CacheManager cacheManager() {
+        SimpleCacheManager cacheManager = new SimpleCacheManager();
+        List<CaffeineCache> caches = Arrays.stream(CacheType.values())
+                .map(cache -> new CaffeineCache(cache.getCacheName(), Caffeine.newBuilder().recordStats()
+                                .expireAfterWrite(cache.getExpiredAfterWrite(), TimeUnit.SECONDS)
+                                .maximumSize(cache.getMaximumSize())
+                                .build()))
+                .toList();
+        cacheManager.setCaches(caches);
+        return cacheManager;
+    }
+}

server/src/main/java/com/greenroom/server/api/config/JasyptConfig.java → server/src/main/java/com/greenroom/server/api/global/config/JasyptConfig.java

@@ -1,4 +1,4 @@
-package com.greenroom.server.api.config;
+package com.greenroom.server.api.global.config;
 
 import com.ulisesbocchio.jasyptspringboot.annotation.EnableEncryptableProperties;
 import lombok.extern.slf4j.Slf4j;

server/src/main/java/com/greenroom/server/api/global/config/RedisConfig.java

@@ -0,0 +1,78 @@
+//package com.greenroom.server.api.config;
+//
+//import com.fasterxml.jackson.annotation.JsonTypeInfo;
+//import com.fasterxml.jackson.databind.JavaType;
+//import com.fasterxml.jackson.databind.ObjectMapper;
+//import com.fasterxml.jackson.databind.jsontype.impl.LaissezFaireSubTypeValidator;
+//import com.greenroom.server.api.domain.greenroom.entity.Item;
+//import org.springframework.beans.factory.annotation.Value;
+//import org.springframework.cache.annotation.EnableCaching;
+//import org.springframework.context.annotation.Bean;
+//import org.springframework.context.annotation.Configuration;
+//import org.springframework.context.annotation.Primary;
+//import org.springframework.data.redis.cache.RedisCacheConfiguration;
+//import org.springframework.data.redis.cache.RedisCacheManager;
+//import org.springframework.data.redis.connection.RedisConnectionFactory;
+//import org.springframework.data.redis.connection.RedisStandaloneConfiguration;
+//import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
+//import org.springframework.data.redis.serializer.*;
+//import java.time.Duration;
+//import java.util.List;
+//
+//@EnableCaching
+//@Configuration
+//public class RedisConfig {
+//
+//    @Value("${spring.cache.redis.host}")
+//    private String host;
+//
+//    @Value("${spring.cache.redis.port}")
+//    private String port;
+//
+//    @Bean
+//    public LettuceConnectionFactory redisConnectionFactory() {
+//        return new LettuceConnectionFactory(new RedisStandaloneConfiguration(host, Integer.parseInt(port)));
+//    }
+//
+//    @Primary
+//    @Bean(value = "basicCacheManager")
+//    public RedisCacheManager cacheManager(RedisConnectionFactory cf) {
+//
+//        RedisCacheConfiguration redisCacheConfiguration = RedisCacheConfiguration.defaultCacheConfig()
+//                .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer())) // 키는 String
+//                .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new Jackson2JsonRedisSerializer<Object>(Object.class)))
+//                .entryTtl(Duration.ofMinutes(30)); // 캐시 TTL 30분 설정
+//
+//        return RedisCacheManager.RedisCacheManagerBuilder.fromConnectionFactory(cf)
+//                .cacheDefaults(redisCacheConfiguration)
+//                .build();
+//    }
+//
+//    @Bean(value = "itemCacheManager")
+//    public RedisCacheManager itemCacheManager(RedisConnectionFactory cf) {
+//
+//        ObjectMapper objectMapper = new ObjectMapper();
+//        objectMapper.activateDefaultTyping(
+//                LaissezFaireSubTypeValidator.instance,
+//                ObjectMapper.DefaultTyping.NON_FINAL,
+//                JsonTypeInfo.As.PROPERTY
+//        );
+//
+//        // List<Item> 타입 생성
+//        JavaType javaType = objectMapper.getTypeFactory()
+//                .constructCollectionType(List.class, Item.class);
+//
+//        // Serializer 생성자에 JavaType 사용
+//        Jackson2JsonRedisSerializer<Object> valueSerializer = new Jackson2JsonRedisSerializer<>(javaType);
+//
+//        RedisCacheConfiguration redisCacheConfiguration = RedisCacheConfiguration.defaultCacheConfig()
+//                .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()))
+//                .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(valueSerializer))
+//                .entryTtl(Duration.ofHours(12)); // 캐시 TTL 12시간 설정
+//
+//        return RedisCacheManager.RedisCacheManagerBuilder.fromConnectionFactory(cf)
+//                .cacheDefaults(redisCacheConfiguration)
+//                .build();
+//    }
+//
+//}

server/src/main/java/com/greenroom/server/api/config/SMTPConfig.java → server/src/main/java/com/greenroom/server/api/global/config/SMTPConfig.java

@@ -1,4 +1,4 @@
-package com.greenroom.server.api.config;
+package com.greenroom.server.api.global.config;
 
 import org.springframework.boot.autoconfigure.mail.MailProperties;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;

server/src/main/java/com/greenroom/server/api/global/enums/CacheType.java

@@ -0,0 +1,19 @@
+package com.greenroom.server.api.global.enums;
+
+import lombok.Getter;
+
+@Getter
+public enum CacheType {
+    ITEM("items",12*60*60,50),
+    PLANT("plants",60*60,10);
+
+    private final String cacheName;
+    private final Integer expiredAfterWrite; // seconds
+    private final Integer maximumSize;
+
+    CacheType(String cacheName, Integer expiredAfterWrite, Integer maximumSize){
+        this.cacheName = cacheName;
+        this.expiredAfterWrite = expiredAfterWrite;
+        this.maximumSize = maximumSize;
+    }
+}

server/src/main/java/com/greenroom/server/api/global/config/PropertiesHolder.java → server/src/main/java/com/greenroom/server/api/global/properties/PropertiesHolder.java

@@ -1,4 +1,4 @@
-package com.greenroom.server.api.global.config;
+package com.greenroom.server.api.global.properties;
 
 import jakarta.annotation.PostConstruct;
 import org.springframework.beans.factory.annotation.Value;