前往小程序,Get更优阅读体验!
立即前往
首页
学习
活动
专区
工具
TVP
发布
社区首页 >专栏 >java应用程序镜像制作及在kubernetes上发布

java应用程序镜像制作及在kubernetes上发布

作者头像
三杯水Plus
发布2019-05-29 16:01:47
6750
发布2019-05-29 16:01:47
举报
文章被收录于专栏:运维运维

应用程序镜像制作

准备好应用程序

代码语言:javascript
复制
[root@VM_8_24_centos testapp]# ls
Dockerfile  testapp.tar.gz

编写Dockerfile

代码语言:javascript
复制
[root@VM_8_24_centos testapp]# cat Dockerfile 
# 基础镜像
FROM core-harbor.minminmsn.com/public/jre-centos:1.8.0_212

# 维护信息
MAINTAINER minyt <minyongtao@minminmsn.com>

# 文件复制到镜像
RUN mkdir -p /data1/testapp-app && mkdir -p /data1/logs/testapp-app && mkdir -p /data1/run/testapp-app
ADD testapp.tar.gz /data1/testapp-app/

# 设置环境变量
# ENV JAVA_HOME /usr/local/jre1.8.0_212
# ENV PATH ${PATH}:${JAVA_HOME}/bin

# 容器启动时运行的命令
CMD ["/data1/testapp-app/bin/launch.sh", "start"]

# 暴漏端口
EXPOSE 10030

制作应用程序镜像

代码语言:javascript
复制
[root@VM_8_24_centos testapp]# docker build -t core-harbor.minminmsn.com/public/testapp:2.0 .
Sending build context to Docker daemon  58.24MB
Step 1/6 : FROM core-harbor.minminmsn.com/public/jre-centos:1.8.0_212
 ---> f27d47159f1e
Step 2/6 : MAINTAINER minyt <minyongtao@minminmsn.com>
 ---> Using cache
 ---> 3d2b8caf725b
Step 3/6 : RUN mkdir -p /data1/testapp-app && mkdir -p /data1/logs/testapp-app && mkdir -p /data1/run/testapp-app
 ---> Running in 8034eb452bfa
Removing intermediate container 8034eb452bfa
 ---> eea12a3c6093
Step 4/6 : ADD testapp.tar.gz /data1/testapp-app/
 ---> 1d155c1cd571
Step 5/6 : CMD ["/data1/testapp-app/bin/launch.sh", "start"]
 ---> Running in c7dab4cffaf9
Removing intermediate container c7dab4cffaf9
 ---> 45a1da4c0742
Step 6/6 : EXPOSE 10030
 ---> Running in 2618620aa185
Removing intermediate container 2618620aa185
 ---> b1d3a82bb34d
Successfully built b1d3a82bb34d
Successfully tagged core-harbor.minminmsn.com/public/testapp:2.0

本地启动镜像测试

代码语言:javascript
复制
[root@VM_8_24_centos testapp]# docker run -d -p 10030:10030  core-harbor.minminmsn.com/public/testapp:2.0
ce1cf6f8e29554187d8fc810f94e35b80ca0902d0e8fc7d43bc7f5fa5d9a7dc2
[root@VM_8_24_centos testapp]# netstat -tulpn |grep 10030
tcp6       0      0 :::10030                :::*                    LISTEN      28037/docker-proxy  

浏览器访问测试

代码语言:javascript
复制
http://10.2.8.24:10030/
{"returncode":0,"message":"OK"}

上传到私有镜像库

代码语言:javascript
复制
[root@VM_8_24_centos testapp]# docker push core-harbor.minminmsn.com/public/testapp:2.0
The push refers to repository [core-harbor.minminmsn.com/public/testapp]
04b815b81c42: Pushed 
8dae5abda95b: Pushed 
b9049811dc7d: Layer already exists 
89169d87dbe2: Layer already exists 
2.0: digest: sha256:db7f866ec3f531161c2f6a82667f03896657c34ccaf25b310d519abac175c25e size: 1160
[root@VM_8_24_centos testapp]# 

在kubernetes上发布应用

准备testapp.yaml文件

代码语言:javascript
复制
[root@elasticsearch01 testapp]# cat testapp.yaml 
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  labels:
    app.kubernetes.io/name: testapp
    app.kubernetes.io/part-of: ingress-nginx

  name: testapp
  namespace: ingress-nginx
spec:
  selector:
    matchLabels:
      app.kubernetes.io/name: testapp
      app.kubernetes.io/part-of: ingress-nginx
  strategy:
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 1
    type: RollingUpdate
  template:
    metadata:
      labels:
        app.kubernetes.io/name: testapp
        app.kubernetes.io/part-of: ingress-nginx
    spec:
      containers:
        - image: core-harbor.minminmsn.com/public/testapp:2.0
          name: testapp
          ports:
            - containerPort: 10030
              protocol: TCP
      restartPolicy: Always
      volumes:
        - emptyDir: {}
          name: data

---
apiVersion: v1
kind: Service
metadata:
  name: testapp
  namespace: ingress-nginx
  labels:
    app.kubernetes.io/name: testapp
    app.kubernetes.io/part-of: ingress-nginx

spec:
  ports:
    - port: 10030
      protocol: TCP
      targetPort: 10030
  selector:
    app.kubernetes.io/name: testapp
    app.kubernetes.io/part-of: ingress-nginx
  type: NodePort

---
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: testapp-ingress
  namespace: ingress-nginx
spec:
  rules:
    - host: testapp.minminmsn.com
      http:
        paths:
        - path: /
          backend:
            serviceName: testapp
            servicePort: 10030

部署应用

代码语言:javascript
复制
[root@elasticsearch01 testapp]# kubectl create -f testapp.yaml 
deployment.extensions/testapp created
service/testapp created
ingress.extensions/testapp-ingress created
本文参与 腾讯云自媒体分享计划,分享自作者个人站点/博客。
原始发表:2019-05-26 ,如有侵权请联系 cloudcommunity@tencent.com 删除

本文分享自 作者个人站点/博客 前往查看

如有侵权,请联系 cloudcommunity@tencent.com 删除。

本文参与 腾讯云自媒体分享计划  ,欢迎热爱写作的你一起参与!

评论
登录后参与评论
0 条评论
热度
最新
推荐阅读
目录
  • 应用程序镜像制作
  • 本地启动镜像测试
  • 浏览器访问测试
  • 上传到私有镜像库
  • 在kubernetes上发布应用
相关产品与服务
容器服务
腾讯云容器服务(Tencent Kubernetes Engine, TKE)基于原生 kubernetes 提供以容器为核心的、高度可扩展的高性能容器管理服务,覆盖 Serverless、边缘计算、分布式云等多种业务部署场景,业内首创单个集群兼容多种计算节点的容器资源管理模式。同时产品作为云原生 Finops 领先布道者,主导开源项目Crane,全面助力客户实现资源优化、成本控制。
领券
问题归档专栏文章快讯文章归档关键词归档开发者手册归档开发者手册 Section 归档