In order to load Account Auth Config from back-office-service via gRPC: APP_REMOTE_SERVER_TARGET should have an appropriate value (for example service-host:8080)
By default Config will be loaded from yaml file idpconf.yml for custom file name use APP_IDP_CONFIG_FILE_NAME
The full list of options can be found here: https://github.com/akhripko/auth2-jwt/blob/master/options/env.go