Chore: Redis 설정 추가

Author: joyewon0705

build.gradle.kts

@@ -63,6 +63,13 @@ dependencies {
     testImplementation("org.springframework.boot:spring-boot-starter-test")
     testImplementation("org.springframework.security:spring-security-test")
     testRuntimeOnly("org.junit.platform:junit-platform-launcher")
+
+    // Redis
+    implementation("org.springframework.boot:spring-boot-starter-data-redis")
+    implementation("it.ozimov:embedded-redis:0.7.3") {
+        exclude(group = "org.slf4j", module = "slf4j-simple")
+    }
+
 }
 
 tasks.withType<Test> {

src/main/java/com/back/global/config/EmbeddedRedisConfig.java

@@ -0,0 +1,42 @@
+package com.back.global.config;
+
+import jakarta.annotation.PostConstruct;
+import jakarta.annotation.PreDestroy;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
+import redis.embedded.RedisServer;
+import redis.embedded.RedisServerBuilder;
+
+import java.io.IOException;
+
+/**
+ * Embedded Redis 설정 클래스
+ * - 개발 및 테스트 환경에서만 활성화 (dev, test 프로파일)
+ * - 애플리케이션 시작 시 내장 Redis 서버 시작
+ * - 애플리케이션 종료 시 내장 Redis 서버 중지
+ */
+@Configuration
+@Profile({"dev", "test"})
+public class EmbeddedRedisConfig {
+
+    private RedisServer redisServer;
+
+    public EmbeddedRedisConfig() throws IOException {
+        this.redisServer = new RedisServerBuilder()
+                .port(6379)
+                .setting("maxheap 256M")
+                .build();
+    }
+
+    @PostConstruct
+    public void startRedis() {
+        redisServer.start();
+    }
+
+    @PreDestroy
+    public void stopRedis() {
+        if (redisServer != null) {
+            redisServer.stop();
+        }
+    }
+}

src/main/java/com/back/global/config/RedisConfig.java

@@ -0,0 +1,36 @@
+package com.back.global.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.redis.connection.RedisConnectionFactory;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
+import org.springframework.data.redis.serializer.StringRedisSerializer;
+
+/**
+ * Redis 설정 클래스
+ */
+@Configuration
+public class RedisConfig {
+
+    /**
+     * RedisTemplate 설정
+     * - Key: String
+     * - Value: JSON (Jackson)
+     */
+    @Bean
+    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory connectionFactory) {
+        RedisTemplate<String, Object> template = new RedisTemplate<>();
+        template.setConnectionFactory(connectionFactory);
+
+        // Key: String
+        template.setKeySerializer(new StringRedisSerializer());
+        template.setHashKeySerializer(new StringRedisSerializer());
+
+        // Value: JSON
+        template.setValueSerializer(new Jackson2JsonRedisSerializer<>(Object.class));
+        template.setHashValueSerializer(new Jackson2JsonRedisSerializer<>(Object.class));
+
+        return template;
+    }
+}

src/main/resources/application-dev.yml

@@ -5,6 +5,11 @@ spring:
     username: sa
     password:
 
+  data:
+    redis:
+      host: localhost
+      port: 6379
+
   config:
     import: optional:file:.env[.properties]
 

src/main/resources/application-test.yml

@@ -5,6 +5,11 @@ spring:
     username: sa
     password:
 
+  data:
+    redis:
+      host: localhost
+      port: 6379
+
 jwt:
   secret: test-jwt-secret-key-12345678901234567890
   access-token-expiration: ${JWT_ACCESS_TOKEN_EXPIRATION:1800}  # 30분 (초 단위)