use secret password

app.py

@@ -278,6 +278,7 @@ import multiprocessing
 import os
 
 HF_TOKEN = os.getenv("HUGGING_FACE_HUB_TOKEN")
+PASSWORD = os.getenv("PASSWORD")
 import tqdm
 import whoosh.index as whoosh_index
 from whoosh.analysis import StemmingAnalyzer
@@ -715,4 +716,4 @@ demo = gr.Interface(
 )
 
 if __name__ == "__main__":
-    demo.launch(auth=("user", "agnoagJLKDN324ASDBFhndss"))
+    demo.launch(auth=("user", PASSWORD))