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动手搭建一个三个节点的eureka集群
source link: https://blog.51cto.com/u_15696939/5487165
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搭建一个三个节点的eureka集群
jdk1.8、spring boot2.7.1 、spring-cloud2021.0.3
项目结构预览
eureka-colony eureka1 eureka2 eureka3
分别为 8761、8762、8763
为了在同一台机器上能同时运行三个eureka而不导致冲突，修改主机host文件(C:\Windows\System32\drivers\etc)
将127.0.0.1映射为如下三个地址:
127.0.0.1 eureka1.com 127.0.0.1 eureka2.com 127.0.0.1 eureka3.com
然后依次构建三个微服务，做好配置
访问： http://eureka1.com:8761/
可以看到你中有我，我中有你
自此，eureka集群搭建成功
yml配置参考
spring:
application:
name: eureka1
server:
port: 8761
eureka:
client:
register-with-eureka: false
fetch-registry: false
service-url:
defaultZone: http://eureka2.com:8762/eureka,http://eureka3.com:8763/eureka
instance:
hostname: eureka1.com
prefer-ip-address: true
application:
name: eureka1
server:
port: 8761
eureka:
client:
register-with-eureka: false
fetch-registry: false
service-url:
defaultZone: http://eureka2.com:8762/eureka,http://eureka3.com:8763/eureka
instance:
hostname: eureka1.com
prefer-ip-address: true
主启动类配置参考
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;
@SpringBootApplication
@EnableEurekaServer
public class Eureka1Application {
public static void main(String[] args) {
SpringApplication.run(Eureka1Application.class, args);
}
}
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;
@SpringBootApplication
@EnableEurekaServer
public class Eureka1Application {
public static void main(String[] args) {
SpringApplication.run(Eureka1Application.class, args);
}
}
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