Fixed log handler

src/app.py

@@ -77,3 +77,8 @@ register_all_error_handlers(app)
 
 app.add_url_rule("/healthz", "healthcheck", view_func=lambda: health.run())
 
+if __name__ != '__main__':
+    import logging
+    gunicorn_logger = logging.getLogger('gunicorn.error')
+    app.logger.handlers = gunicorn_logger.handlers
+    app.logger.setLevel(gunicorn_logger.level)