updated backups solution

py_app/app/__init__.py

@@ -5,6 +5,9 @@ def create_app():
     app = Flask(__name__)
     app.config['SECRET_KEY'] = 'your_secret_key'
     
+    # Set max upload size to 10GB for large database backups
+    app.config['MAX_CONTENT_LENGTH'] = 10 * 1024 * 1024 * 1024  # 10GB
+    
     # Application uses direct MariaDB connections via external_server.conf
     # No SQLAlchemy ORM needed - all database operations use raw SQL