revert the default path to the DB

app.py

@@ -37,7 +37,7 @@ class WebPushService():
         self.app = app
 
         # Setting the database URI for the application
-        db_uri = os.getenv('SQLALCHEMY_DATABASE_URI', 'sqlite:////srv/py-push-server/data/webpush.db')
+        db_uri = os.getenv('SQLALCHEMY_DATABASE_URI', 'sqlite:////app/instance/data/webpush.db')
         # This relative path works in docker-compose
         #db_uri = os.getenv('SQLALCHEMY_DATABASE_URI', 'sqlite:///data/webpush.db')
         self.app.config['SQLALCHEMY_DATABASE_URI'] = db_uri