spring5_demo1/spring5-order/src/main/resources/bootstrap.yml

server:
  port: ${SERVER_PORT:8753}
spring:
  application:
    name: order
  cloud:
    nacos:
      discovery:
        server-addr: ${REGISTER_HOST:192.168.99.100}:${REGISTER_PORT:8848}
      config:
        server-addr: ${REGISTER_HOST:192.168.99.100}:${REGISTER_PORT:8848}
        file-extension: yml
        
feign:
   httpclient:
      enabled: false
   okhttp:
      enabled: true