Ref: 내장 Redis 설정 개선

Author: joyewon0705

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

@@ -8,6 +8,7 @@
 import redis.embedded.RedisServerBuilder;
 
 import java.io.IOException;
+import java.net.ServerSocket;
 
 /**
  * Embedded Redis 설정 클래스
@@ -20,17 +21,19 @@
 public class EmbeddedRedisConfig {
 
     private RedisServer redisServer;
+    private int port;
 
-    public EmbeddedRedisConfig() throws IOException {
-        this.redisServer = new RedisServerBuilder()
-                .port(6379)
+    @PostConstruct
+    public void startRedis() throws IOException {
+        port = findAvailablePort();
+        redisServer = new RedisServerBuilder()
+                .port(port)
                 .setting("maxheap 256M")
                 .build();
-    }
-
-    @PostConstruct
-    public void startRedis() {
         redisServer.start();
+
+        // 동적으로 찾은 포트를 Spring 환경 변수에 반영
+        System.setProperty("spring.data.redis.port", String.valueOf(port));
     }
 
     @PreDestroy
@@ -39,4 +42,14 @@ public void stopRedis() {
             redisServer.stop();
         }
     }
+
+    // 사용 가능한 포트를 찾는 유틸리티 메서드
+    private int findAvailablePort() {
+        try (ServerSocket socket = new ServerSocket(0)) {
+            socket.setReuseAddress(true);
+            return socket.getLocalPort();
+        } catch (IOException e) {
+            throw new IllegalStateException("No available port found", e);
+        }
+    }
 }

src/main/resources/application-test.yml

@@ -5,11 +5,6 @@ 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)