backend-template/apps/all-in-one/src/main/resources/application-feign.yml

token-service:
  ribbon:
    listOfServers: http://localhost:19090

feign:
  client:
    config:
      default:
        errorDecoder: gaf3.core.cloud.feign.GafErrorDecoder
        encoder: feign.jackson.JacksonEncoder
        decoder: feign.jackson.JacksonDecoder