[#26] 레디스 CacheManager 설정 (#27)

* [#26] 레디스 CacheManager 설정

- 세션과 캐쉬 레디스 분리
- 레디스 CacheManager 설정 후 빈으로 등록
- RedisConfig -> RedisSessionConfig로 naming 변경

src/main/java/com/social/instagram/InstagramSocialApplication.java

@@ -2,6 +2,7 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cache.annotation.EnableCaching;
 import org.springframework.context.annotation.EnableAspectJAutoProxy;
 import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
 
@@ -17,6 +18,7 @@
 @SpringBootApplication
 @EnableAspectJAutoProxy
 @EnableJpaAuditing
+@EnableCaching
 public class InstagramSocialApplication {
 
     public static void main(String[] args) {

src/main/java/com/social/instagram/config/RedisCacheManagerConfig.java

@@ -0,0 +1,48 @@
+package com.social.instagram.config;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.cache.CacheManager;
+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.serializer.GenericJackson2JsonRedisSerializer;
+import org.springframework.data.redis.serializer.RedisSerializationContext;
+import org.springframework.data.redis.serializer.StringRedisSerializer;
+
+@Configuration
+@RequiredArgsConstructor
+public class RedisCacheManagerConfig {
+
+    @Value("${spring.redis.cache.host}")
+    private String redisHost;
+
+    @Value("${spring.redis.cache.port}")
+    private int redisPort;
+
+    @Bean
+    public RedisConnectionFactory redisCacheConnectionFactory() {
+        return new LettuceConnectionFactory(new RedisStandaloneConfiguration(redisHost, redisPort));
+    }
+
+    @Bean
+    public CacheManager redisCacheManager() {
+        return RedisCacheManager.RedisCacheManagerBuilder
+                .fromConnectionFactory(redisCacheConnectionFactory())
+                .cacheDefaults(redisCacheConfiguration())
+                .build();
+    }
+
+    private RedisCacheConfiguration redisCacheConfiguration() {
+        return RedisCacheConfiguration.defaultCacheConfig()
+                .serializeKeysWith(
+                        RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()))
+                .serializeValuesWith(
+                        RedisSerializationContext.SerializationPair.fromSerializer(new GenericJackson2JsonRedisSerializer()));
+    }
+
+}

src/main/java/com/social/instagram/config/RedisConfig.java → src/main/java/com/social/instagram/config/RedisSessionConfig.java

@@ -16,12 +16,12 @@
     하지만 @Value에서 프로퍼티 파일의 내용을 참조하게 해주면 소스코드의 수정 없이 @Value를 통해 프로퍼티에 주입되는 값을 변경할 수 있다.
  */
 @Configuration
-public class RedisConfig {
+public class RedisSessionConfig {
 
-    @Value("${spring.redis.host}")
+    @Value("${spring.redis.session.host}")
     private String redisHost;
 
-    @Value("${spring.redis.port}")
+    @Value("${spring.redis.session.port}")
     private int redisPort;
 
     /*

src/main/resources/application-local.yml

@@ -16,8 +16,12 @@ spring:
         format_sql: true
 
   redis:
-    host: 127.0.0.1
-    port: 6379
+    session:
+      host: 127.0.0.1
+      port: 6379
+    cache:
+      host: 127.0.0.1
+      port: 6378
 
 #hibernate가 ?에 어떤값이 들어가 있는지 구체적으로 알려주는 설정
 logging: