register-with-eureka: false 告訴eureka不要註冊自己
lease-renewal-interval-in-seconds: 30 每隔30s發起一次心跳 lease-expiration-duration-in-seconds: 90 如果90s沒有發起心跳那麼就代表掛了
eviction-interval-timer-in-ms: 60000 服務掛了後再過60s就會被eureka剔除
registry-fetch-interval-seconds: 3 拉取服務列表時間
-Dserver.port=8084可用於配置複製的端口
負載均衡隨機
user-service: ribbon: NFLoadBalanceRuleClassNameL: com.netflix.loadbalancer.RandomRule