diff --git a/backend/logging_config.py b/backend/logging_config.py
index e2c5acc..0b6baf5 100644
--- a/backend/logging_config.py
+++ b/backend/logging_config.py
@@ -121,12 +121,11 @@ def setup_logging(log_dir: str = None):
     - console output     (INFO+, colored)
     """
     if log_dir is None:
-        log_dir = os.path.join(os.path.dirname(os.path.abspath(__file__)), "..", "logs")
+        log_dir = "/tmp/logs"
 
     try:
         os.makedirs(log_dir, exist_ok=True)
     except PermissionError:
-        # Docker container'da /app/../logs yazılamayabilir, /tmp/logs kullan
         log_dir = "/tmp/logs"
         os.makedirs(log_dir, exist_ok=True)
 
diff --git a/backend/main.py b/backend/main.py
index f40fa2e..b14e504 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -61,6 +61,9 @@ async def verify_api_key(request: Request, api_key: Optional[str] = Security(API
     """
     if request.url.path in PUBLIC_PATHS:
         return
+    if not API_KEY:
+        # API_KEY env var not set — authentication disabled
+        return
     if not api_key or api_key != API_KEY:
         raise HTTPException(
             status_code=401,
diff --git a/backend/queue_worker.py b/backend/queue_worker.py
index 1c0e7bc..b5851e6 100644
--- a/backend/queue_worker.py
+++ b/backend/queue_worker.py
@@ -168,6 +168,15 @@ class QueueWorker:
                         scraper = TrendyolSearchScraper(path_model)
                         products = scraper.fetch_all_products()
 
+                        # Search API returned 0 — fallback to Top Rankings API
+                        if not products and cat_id:
+                            log.warning(f"Search API 0 ürün döndürdü ({path_model}), Top Rankings API ile fallback deneniyor...")
+                            _trendyol_limiter.wait()
+                            fallback_scraper = TrendyolScraper(cat_id, page_size=20)
+                            products = fallback_scraper.fetch_all_products(delay=0.5, max_pages=5)
+                            if products:
+                                log.info(f"Fallback başarılı: {len(products)} ürün bulundu (cat_id={cat_id})")
+
                         # Enrich with socialProofs from Top Rankings API
                         if products and cat_id and not any(p.get("socialProofs") for p in products):
                             try: