feat: add redis

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

@@ -0,0 +1,73 @@
+package com.kamco.cd.kamcoback.config;
+
+import java.time.Duration;
+import org.springframework.beans.factory.annotation.Value;
+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;
+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.core.RedisTemplate;
+import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
+import org.springframework.data.redis.serializer.RedisSerializationContext;
+import org.springframework.data.redis.serializer.StringRedisSerializer;
+
+@Configuration
+@EnableCaching
+public class RedisConfig {
+
+  @Value("${spring.data.redis.host}")
+  private String host;
+
+  @Value("${spring.data.redis.port}")
+  private int port;
+
+  @Value("${spring.data.redis.password}")
+  private String password;
+
+  @Bean
+  public RedisConnectionFactory redisConnectionFactory() {
+    RedisStandaloneConfiguration redisConfig = new RedisStandaloneConfiguration();
+    redisConfig.setHostName(host);
+    redisConfig.setPort(port);
+    redisConfig.setPassword(password);
+    return new LettuceConnectionFactory(redisConfig);
+  }
+
+  @Bean
+  public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory connectionFactory) {
+    RedisTemplate<String, Object> template = new RedisTemplate<>();
+    template.setConnectionFactory(connectionFactory);
+
+    // Key는 String으로 직렬화
+    template.setKeySerializer(new StringRedisSerializer());
+    template.setHashKeySerializer(new StringRedisSerializer());
+
+    // Value는 JSON으로 직렬화
+    template.setValueSerializer(new GenericJackson2JsonRedisSerializer());
+    template.setHashValueSerializer(new GenericJackson2JsonRedisSerializer());
+
+    template.afterPropertiesSet();
+    return template;
+  }
+
+  // 기본 레디스 캐시 세팅
+  @Bean
+  public CacheManager cacheManager(RedisConnectionFactory connectionFactory) {
+    RedisCacheConfiguration config =
+        RedisCacheConfiguration.defaultCacheConfig()
+            .entryTtl(Duration.ofHours(1)) // 기본 TTL 1시간
+            .serializeKeysWith(
+                RedisSerializationContext.SerializationPair.fromSerializer(
+                    new StringRedisSerializer()))
+            .serializeValuesWith(
+                RedisSerializationContext.SerializationPair.fromSerializer(
+                    new GenericJackson2JsonRedisSerializer()));
+
+    return RedisCacheManager.builder(connectionFactory).cacheDefaults(config).build();
+  }
+}