feat: add redis

src/main/java/com/kamco/cd/kamcoback/config/RedisConfig.java

@@ -1,5 +1,8 @@
 package com.kamco.cd.kamcoback.config;
 
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 import java.time.Duration;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.cache.CacheManager;
@@ -38,6 +41,14 @@ public class RedisConfig {
     return new LettuceConnectionFactory(redisConfig);
   }
 
+  @Bean
+  public ObjectMapper redisObjectMapper() {
+    ObjectMapper objectMapper = new ObjectMapper();
+    objectMapper.registerModule(new JavaTimeModule());
+    objectMapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
+    return objectMapper;
+  }
+
   @Bean
   public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory connectionFactory) {
     RedisTemplate<String, Object> template = new RedisTemplate<>();
@@ -47,9 +58,11 @@ public class RedisConfig {
     template.setKeySerializer(new StringRedisSerializer());
     template.setHashKeySerializer(new StringRedisSerializer());
 
-    // Value는 JSON으로 직렬화
-    template.setValueSerializer(new GenericJackson2JsonRedisSerializer());
-    template.setHashValueSerializer(new GenericJackson2JsonRedisSerializer());
+    // Value는 JSON으로 직렬화 (JavaTimeModule 포함)
+    GenericJackson2JsonRedisSerializer serializer =
+        new GenericJackson2JsonRedisSerializer(redisObjectMapper());
+    template.setValueSerializer(serializer);
+    template.setHashValueSerializer(serializer);
 
     template.afterPropertiesSet();
     return template;
@@ -58,6 +71,9 @@ public class RedisConfig {
   // 기본 레디스 캐시 세팅
   @Bean
   public CacheManager cacheManager(RedisConnectionFactory connectionFactory) {
+    GenericJackson2JsonRedisSerializer serializer =
+        new GenericJackson2JsonRedisSerializer(redisObjectMapper());
+
     RedisCacheConfiguration config =
         RedisCacheConfiguration.defaultCacheConfig()
             .entryTtl(Duration.ofHours(1)) // 기본 TTL 1시간
@@ -65,8 +81,7 @@ public class RedisConfig {
                 RedisSerializationContext.SerializationPair.fromSerializer(
                     new StringRedisSerializer()))
             .serializeValuesWith(
-                RedisSerializationContext.SerializationPair.fromSerializer(
-                    new GenericJackson2JsonRedisSerializer()));
+                RedisSerializationContext.SerializationPair.fromSerializer(serializer));
 
     return RedisCacheManager.builder(connectionFactory).cacheDefaults(config).build();
   }