diff --git a/salesflow-saas/backend/start.sh b/salesflow-saas/backend/start.sh
index b3d2dd03..c53de262 100755
--- a/salesflow-saas/backend/start.sh
+++ b/salesflow-saas/backend/start.sh
@@ -1,7 +1,16 @@
 #!/bin/sh
-echo "[dealix] Starting on port ${PORT:-8000}..."
-echo "[dealix] Python: $(python3 --version)"
+set -e
+echo "[dealix] PORT=$PORT"
 echo "[dealix] Testing imports..."
-python3 -c "from app.main import app; print(f'[dealix] Routes: {len(app.routes)}'); print('[dealix] Import OK')" 2>&1 || { echo "[dealix] IMPORT FAILED"; exit 1; }
-echo "[dealix] Launching uvicorn..."
-exec uvicorn app.main:app --host 0.0.0.0 --port "${PORT:-8000}" --workers 1 --timeout-keep-alive 30
+python3 -c "
+try:
+    from app.main import app
+    print(f'[dealix] OK — {len(app.routes)} routes')
+except Exception as e:
+    print(f'[dealix] IMPORT FAILED: {e}')
+    import traceback
+    traceback.print_exc()
+    exit(1)
+" 2>&1
+echo "[dealix] Starting uvicorn on port ${PORT:-8000}..."
+exec uvicorn app.main:app --host 0.0.0.0 --port "${PORT:-8000}" --workers 1 --log-level info