Prepare the arguments and stdin for running the LangGraph API server.
prepare(
runner,
*,
capabilities: DockerCapabilities,
config_path: pathlib.Path,
docker_compose: pathlib.Path | None,
port: int,
pull: bool,
watch: bool,
verbose: bool,
debugger_port: int | None = None,
debugger_base_url: str | None = None,
postgres_uri: str | None = None,
api_version: str | None = None,
image: str | None = None,
base_image: str | None = None
) -> tuple[list[str], str]