eureka配置

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idea新建project
File->New->Project,选择Spring Initializr，设置相关信息，next
Eureka Server项目选择Eureka Server
Eureka Client项目选择Eureka Discovery
pom会自动配置相关依赖

通过@EnableEurekaServer启动一个服务注册中心

Eureka Server配置:
yml格式

server:
  port: 8761

spring:
  security:
    user:
      name: xxx
      password: yyy
  application:
    name: @artifactId@
  cloud:
    config:
      enabled: false
eureka:
  instance:
    hostname: eureka
    prefer-ip-address: true
  client:
    register-with-eureka: false  #自己为注册中心，不向注册中心注册自己
    fetch-registry: false  #注册中心的职责是维护服务实例，不需要去检索服务，设置为false
    service-url:
      defaultZone: http://xxx:yyy@${eureka.instance.hostname}:${server.port}/eureka/
  server:
    eviction-interval-timer-in-ms: 4000
    enable-self-preservation: false
    renewal-percent-threshold: 0.9

enable-self-preservation: false在生产环境改成true（默认为true）
注意：在启动的主类上加注解@EnableEurekaServer

properties格式

eureka.client.register-with-eureka=false
eureka.client.fetch-registry=false
eureka.client.serviceUrl.defaultZone=

Eureka Client配置:

spring:
  application:
    name: @artifactId@   #服务的名称
eureka:
  instance:
    prefer-ip-address: true
  client:
    service-url:
      defaultZone: http://xxx:yyy@eureka:8761/eureka/

注意：在启动的主类上加注解@EnableDiscoveryClient