def METHOD_NAME(self, host: str, port: int, root_path: str = "") -> None:
    log_file = str(get_logfile())
    self._process = mp.Process(
        target=_start_server,
        kwargs={
            "host": host,
            "port": port,
            "serve_dir": self.serve_dir,
            "path": f"/{self.flow.name}",
            "log_file": log_file,
            "root_path": root_path,
        },
    )
    self._process.start()