Permissions check, traffic restrictions service. Authenticating and limiting the requests from api-gateway, create JWT and return to api-gateway. You can specify which gateway-helper to go through manager-service, and configure the request to use the default gateway-helper or the customized gateway-helper for authentication and traffic restriction. At the same time, the service does not need to be restarted after the modification. Pull requests are welcome! Follow to know for more information on how to contribute.