diff --git a/worker/api_receiver.php b/worker/api_receiver.php
index 3fbcc87..e851e1f 100644
--- a/worker/api_receiver.php
+++ b/worker/api_receiver.php
@@ -102,7 +102,9 @@ try {
     // 4. Redis 연결
     $redis = new Redis();
     // Docker 서비스 이름인 'redis' 사용
-    $success = $redis->connect('redis', 6379);
+    $redisHost = getenv('REDIS_HOST') ?: 'infra-redis';  // ✅ 가능
+    $redisPort = getenv('REDIS_PORT') ?: 6379;
+    $success = $redis->connect($redisHost, $redisPort);
     
     if (!$success) {
         throw new Exception("Could not connect to Redis");