項目結構

chapter1-eureka-server：注冊中心
chapter1-service-hi：微服務應用例子提供服務
chapter2-service-ribbon：
chapter3-serice-feign：
chapter4-service-ribbon-hystrix：
chapter5-service-zuul：

chapter1的pom

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>com.sky</groupId>
	<artifactId>chapter1</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>pom</packaging>
	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>2.0.3.RELEASE</version>
		<relativePath></relativePath>
	</parent>
	<modules>
		<module>chapter1-eureka-server</module>
		<module>chapter1-service-hi</module>
		<module>chapter2-service-ribbon</module>
		<module>chapter3-serice-feign</module>
		<module>chapter4-service-ribbon-hystrix</module>
		<module>chapter5-service-zuul</module>
	</modules>
	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
		<java.version>1.8</java.version>
		<spring-cloud.version>Finchley.RELEASE</spring-cloud.version>
	</properties>
	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>
	</dependencies>
	<dependencyManagement>
		<dependencies>
			<dependency>
				<groupId>org.springframework.cloud</groupId>
				<artifactId>spring-cloud-dependencies</artifactId>
				<version>${spring-cloud.version}</version>
				<type>pom</type>
				<scope>import</scope>
			</dependency>
		</dependencies>
	</dependencyManagement>
	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>
	<repositories>
		<repository>
			<id>public</id>
			<name>aliyun nexus</name>
			<url>http://maven.aliyun.com/nexus/content/groups/public/</url>
			<releases>
				<enabled>true</enabled>
			</releases>
		</repository>
		<repository>
			<id>spring-milestones</id>
			<name>Spring Milestones</name>
			<url>http://repo.spring.io/milestone</url>
		</repository>
	</repositories>
</project>

chapter1-eureka-server的pom.xml

	<parent>
		<groupId>com.sky</groupId>
		<artifactId>chapter1</artifactId>
		<version>0.0.1-SNAPSHOT</version>
	</parent>
	
		<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
		</dependency>

application.yml

server: 
  port: 8761
eureka: 
  instance: 
    hostname: localhost
  client: 
    registerWithEureka: false
    fetchRegistry: false
    serviceUrl: 
      defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka/
spring: 
  application: 
    name: eureka-server

@SpringBootApplication
@EnableEurekaServer
public class EurekaServerApplication {
	public static void main(String[] args) {
		SpringApplication.run(EurekaServerApplication.class, args);
	}
}

啟動后
http://localhost:8761/