Update app.py

app.py

@@ -11,7 +11,7 @@ logging.basicConfig(level=logging.DEBUG)
 logger = logging.getLogger(__name__)
 
 # PostgreSQL DB connection (converted from JDBC)
-engine = create_engine("postgresql+psycopg2://postgres:password@localhost:5434/postgres")
+engine = create_engine("postgresql+psycopg2://postgres:password@0.tcp.ngrok.io:5434/postgres")
 
 metadata_obj = MetaData()