eureka example

eureka server 配置hosts serverip1 eureka-peer1 serverip2 eureka-peer2 serverip3 eureka-peer3

eureka provider 配置hosts serverip1 eureka-peer1 serverip2 eureka-peer2 serverip3 eureka-peer3

eureka consumer 配置hosts serverip1 eureka-peer1 serverip2 eureka-peer2 serverip3 eureka-peer3