项目结构
1.pom.xml文件
<?xml version="1.0" encoding="UTF-8"?>
<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.3.12.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.it</groupId>
<artifactId>eureka-server</artifactId>
<version>0.0.1-SNAPSHOT</version>
<properties>
<java.version>1.8</java.version>
<spring-cloud.version>Hoxton.SR12</spring-cloud.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<!--依赖管理 只是管理版本号以及子模块的依赖 -->
<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>
</project>
2.EurekaServerApplication主函数类
package com.it;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;
@SpringBootApplication
@EnableEurekaServer //开启eureka注册中心的功能
public class EurekaServerApplication {
public static void main(String[] args) {
SpringApplication.run(EurekaServerApplication.class, args);
}
}
3.application.yml配置文件
#单机
server:
port: 8761 #eureka��Ĭ�϶˿�
spring:
application:
name: eureka-server #Ӧ������
#eureka的配置分为3类，server client 实例的 eureka-server既是服务端又是客户端
eureka:
server:
eviction-interval-timer-in-ms: 1000 #服务端间隔多少毫秒做定期删除的操作
renewal-percent-threshold: 0.85 #续约百分比，超过85%的应用没有和你续约，那么eureka会保护服务，不会提出任何一个
instance: #实例的配置
instance-id: ${eureka.instance.hostname}:${spring.application.name}:${server.port} #主机名称：应用名称：端口号
hostname: localhost #主机名称或则服务的ip
prefer-ip-address: true #以ip的形式显示具体的服务信息
lease-renewal-interval-in-seconds: 5 #服务实例的续约时间间隔
client:
registry-with-eureka: ${REGISTER_WITH_EUREKA:true} #先将server自己注册自己的开关关掉
service-url:
defaultZone: ${EUREKA_SERVER_URL:http://localhost:8761/eureka}
fetch-registry: true
#集群
#server:
# port: 8761
#spring:
# application:
# name: eureka-server
#eureka:
# client:
# service-url:
# defaultZone: http://peer2:8762/eureka,http://peer3:8763/eureka
# instance:
# instance-id: ${eureka.instance.hostname}:${spring.application.name}:${server.port}
# hostname: peer1
# prefer-ip-address: true
# lease-renewal-interval-in-seconds: 5
#集群的终极方案
#server:
# port: 8761
#spring:
# application:
# name: eureka-server
#eureka:
# client:
# service-url:
# defaultZone: http://peer1:8761/eureka,http://peer2:8762/eureka,http://peer3:8763/eureka
# instance:
# instance-id: ${spring.application.name}:${server.port}
# prefer-ip-address: true
# lease-renewal-interval-in-seconds: 5
4.选择进行打jar包
5.打开linux虚拟机，启动docker镜像，并创建目录为了方便编写自定义镜像
6.创建docker目录，把jar包粘贴过来，并重命名（为了后面调用时方便）
选择新建文件，编写DockerFile文件
选择新建文件，编写run.sh脚本
7.把项目中docker目录下的三个文件上传到linux虚拟机
给run.sh脚本赋予权限
执行脚本
发现出现如下错误
unable to prepare context: unable to evaluate symlinks in Dockerfile path: lstat /root/springcloud/eureka-server/Dockerfile: no such file or directory
检查发现Dockerfile写成了DockerFile,导致运行出错
解决办法：修改项目中的文件，并重新上传该文件到虚拟机
现在，再次执行脚本，运行成功
查看docker镜像
8.运行镜像
docker run --name eureka-server -p 8761:8761 -e REGISTER_WITH_EUREKA=false -d eureka-server:1.0
9.开启日志
docker logs eureka-server
10.通过浏览器访问
本地主机ip+8761
成功进入说明部署成功
补充：docker删除容器文章来源：https://www.toymoban.com/news/detail-464529.html
文章来源地址https://www.toymoban.com/news/detail-464529.html
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