一、迁移注册中心服务¶
1.4.1 环境信息¶
代码地址：https://gitee.com/dukuan/demo-eureka.git
构建命令：mvn clean package
Java 版本：jdk 1.8
构建镜像：registry.cn-hangzhou.aliyuncs.com/abroad_images/maven:3.5.3
1.4.2 构建及容器化¶
1、在node01主机(10.0.0.21)下载源码
# 宿主机上创建项目目录
[root@node01 ~]# mkdir springcloud
# 下载源码
[root@node01 ~]# cd springcloud
[root@k8s-node01 springcloud]# git clone https://gitee.com/dukuan/demo-eureka.git
# 宿主机上创建缓存目录
[root@k8s-node01 springcloud]# mkdir -p /data/m2
2、在node01主机(10.0.0.21)启动临时容器，进行构建
# 启动临时容器
[root@node01 ~]# cd /root/springcloud
[root@k8s-node01 springcloud]#
docker run -it --rm \
-v /data/m2:/root/.m2 \
-v "$(pwd)/demo-eureka:/mnt" \
registry.cn-hangzhou.aliyuncs.com/abroad_images/maven:3.5.3 \
bash -c "cd /mnt && mvn clean package"
# 出现BUILD SUCCESS字样，代表成功
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.964 s
[INFO] Finished at: 2025-03-22T11:40:31Z
[INFO] ------------------------------------------------------------------------
# 检查宿主机目录
[root@k8s-node01 ~]# ls -l /root/springcloud/demo-eureka/target/
总用量 46080
drwxr-xr-x 3 root root 86 3月 22 19:40 classes
drwxr-xr-x 3 root root 25 3月 22 19:40 generated-sources
drwxr-xr-x 2 root root 28 3月 22 19:40 maven-archiver
drwxr-xr-x 3 root root 35 3月 22 19:40 maven-status
-rw-r--r-- 1 root root 47179265 3月 22 19:40 spring-cloud-eureka-0.0.1-SNAPSHOT.jar
-rw-r--r-- 1 root root 3964 3月 22 19:40 spring-cloud-eureka-0.0.1-SNAPSHOT.jar.original
3、在node01主机(10.0.0.21)编写Dockfile文件
# 宿主机上同样查看，观察到已生成target目录
[root@k8s-node01 ~]# cd /root/springcloud/demo-eureka/
[root@k8s-node01 demo-eureka]# ll
总用量 16
-rw-r--r-- 1 root root 341 3月 22 13:05 Dockerfile
-rw-r--r-- 1 root root 2399 3月 22 12:41 pom.xml
-rw-r--r-- 1 root root 856 3月 22 12:41 README.en.md
-rw-r--r-- 1 root root 945 3月 22 12:41 README.md
drwxr-xr-x 3 root root 18 3月 22 12:41 src
drwxr-xr-x 6 root root 189 3月 22 13:48 target
# 宿主机上查看target目录
[root@k8s-node01 demo-eureka]# ll target/spring-cloud-eureka-0.0.1-SNAPSHOT.jar
-rw-r--r-- 1 root root 47179265 3月 22 13:48 target/spring-cloud-eureka-0.0.1-SNAPSHOT.jar
# 编写Dockfile文件
[root@k8s-node01 ~]# cd /root/springcloud/demo-eureka/
[root@k8s-node01 demo-eureka]# vim Dockerfile
# 基础镜像可以按需修改，可以更改为公司自有镜像
FROM registry.cn-hangzhou.aliyuncs.com/abroad_images/jdk:8u211-jmap
# 定义容器家目录
WORKDIR /home/tomcat
# 复制jar包
COPY target/*.jar ./
# 启动Jar包
CMD ["sh", "-c", "java -jar *.jar"]
4、在node01主机(10.0.0.21)构建镜像
[root@k8s-node01 demo-eureka]# docker build -t registry.cn-hangzhou.aliyuncs.com/abroad_images/demo-eureka:v0.0.1 .
# 测试镜像，观察到正常
[root@k8s-node01 demo-eureka]# docker run -d -p 18761:8761 registry.cn-hangzhou.aliyuncs.com/abroad_images/demo-eureka:v0.0.1
[root@k8s-node01 demo-eureka]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
a5e045e7005c registry.cn-hangzhou.aliyuncs.com/abroad_images/demo-eureka:v0.0.1 "sh -c 'java -jar *.…" About a minute ago Up About a minute 0.0.0.0:18761->8761/tcp, [::]:18761->8761/tcp recursing_shirley
# 上传镜像到阿里云仓库
[root@k8s-node01 demo-eureka]# docker push registry.cn-hangzhou.aliyuncs.com/abroad_images/demo-eureka:v0.0.1