Eureka：集群环境配置

创建三个集群

 导包

    <!--    导包-->
    <dependencies>
        <!--      Eureka -server  -->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-eureka-server</artifactId>
            <version>1.4.6.RELEASE</version>
        </dependency>
        <!--     热部署   -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
        </dependency>
    </dependencies>

配置文件yml  改一下端口号

server:
  port: 7003
#Eureka配置
eureka:
  instance:
    hostname: localhost #Eureka 服务端的实例名称
  client:
    register-with-e