Update app.py

app.py

@@ -9,11 +9,11 @@ client = InferenceClient("HuggingFaceH4/zephyr-7b-beta")
 
 # TimescaleDB config (via Hugging Face Space secrets)
 DB_CONFIG = {
-    "host": os.getenv("DB_HOST"),
-    "port": os.getenv("DB_PORT", 5432),
-    "database": os.getenv("DB_NAME"),
-    "user": os.getenv("DB_USER"),
-    "password": os.getenv("DB_PASSWORD"),
+    "host": os.getenv("localhost"),
+    "port": os.getenv("DB_PORT", 5434),
+    "database": os.getenv("postgres"),
+    "user": os.getenv("postgres"),
+    "password": os.getenv("password"),
 }
 
 # Query TimescaleDB