fix: Resolve Redis Repository warnings and reset database schema

- Add @EnableRedisRepositories with empty package to prevent JPA repositories from being scanned as Redis repositories
- Add @EnableCaching annotation for explicit cache enabling
- Temporarily set ddl-auto to create for database schema reset

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: JIWONKIMS

src/main/kotlin/com/back/koreaTravelGuide/common/config/RedisConfig.kt

@@ -9,6 +9,7 @@ import com.fasterxml.jackson.module.kotlin.KotlinModule
 import org.springframework.beans.factory.annotation.Value
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean
 import org.springframework.cache.CacheManager
+import org.springframework.cache.annotation.EnableCaching
 import org.springframework.context.annotation.Bean
 import org.springframework.context.annotation.Configuration
 import org.springframework.data.redis.cache.RedisCacheConfiguration
@@ -17,12 +18,15 @@ 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.core.RedisTemplate
+import org.springframework.data.redis.repository.configuration.EnableRedisRepositories
 import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer
 import org.springframework.data.redis.serializer.RedisSerializationContext
 import org.springframework.data.redis.serializer.StringRedisSerializer
 import java.time.Duration
 
 @Configuration
+@EnableCaching
+@EnableRedisRepositories(basePackages = ["nowhere"])
 class RedisConfig {
     @Value("\${spring.data.redis.host:localhost}")
     private lateinit var redisHost: String

src/main/resources/application-prod.yml

@@ -9,7 +9,7 @@ spring:
 
   jpa:
     hibernate:
-      ddl-auto: update
+      ddl-auto: create
     properties:
       hibernate:
         format_sql: true