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原文链接地址：『中级篇』Docker compose 部署一个复杂的应用（41）

今天部署一个复杂的application。源码地址：https://github.com/limingios/docker中的No.4中的example-voting-app。里面包括5个模块。

个人主页：idig.com

Voting App

暴露给外边访问的，投票使用，里面有对应的候选人的选项。是个python项目。这个将投票结果放入redis中，在现实中投票的人都比较多，为了方便存储直接连通的redis内存中。

Dockfile

# 使用python2.7的镜像
FROM python:2.7

# 设置一个application的目录
WORKDIR /app

# 文件依赖，安装指定的目录，通过pip进行安装
ADD requirements.txt /app/requirements.txt
RUN pip install -r requirements.txt

# Copy our code from the current folder to /app inside the container
ADD . /app

# 暴露端口80
EXPOSE 80 

# 启动容器命令
CMD ["python", "app.py"]

Results App

暴露给外边访问的，实时的显示候选人的得票情况。是个node js项目。直接取PG数据库的结果。

Dockfile

FROM node:0.10

RUN mkdir /app
WORKDIR /app

ADD package.json /app/package.json
RUN npm install && npm ls
RUN mv /app/node_modules /node_modules

ADD . /app

ENV PORT 80
EXPOSE 80

CMD ["node", "server.js"]

worker

读取redis效果，并将结果记录到PG数据库，是个java项目。

image.png

Dockfile

FROM java:7

RUN apt-get update -qq && apt-get install -y maven && apt-get clean

WORKDIR /code

ADD pom.xml /code/pom.xml
RUN ["mvn", "dependency:resolve"]
RUN ["mvn", "verify"]

# Adding source, compile and package into a fat jar
ADD src /code/src
RUN ["mvn", "package"]

CMD ["/usr/lib/jvm/java-7-openjdk-amd64/bin/java", "-jar", "target/worker-jar-with-dependencies.jar"]

整合docker-compose.yml

里面配置文件包括5个项目：voting-app，result-app，worker，redis，db

docker-compose.yml

version: "3"

services:
  voting-app:
    build: ./voting-app/.
    volumes:
     - ./voting-app:/app
    ports:
      - "5000:80"
    links:
      - redis
    networks:
      - front-tier
      - back-tier

  result-app:
    build: ./result-app/.
    volumes:
      - ./result-app:/app
    ports:
      - "5001:80"
    links:
      - db
    networks:
      - front-tier
      - back-tier

  worker:
    build: ./worker
    links:
      - db
      - redis
    networks:
      - back-tier

  redis:
    image: redis
    ports: ["6379"]
    networks:
      - back-tier

  db:
    image: postgres:9.4
    volumes:
      - "db-data:/var/lib/postgresql/data"
    networks:
      - back-tier

volumes:
  db-data:

networks:
  front-tier:
  back-tier:

docker-compose 一键部署

到docker-compose.yml目录

sudo service docker restart
sudo docker-compose up
#查看eth1的ip地址 映射了2个端口5000和5001
ip a

PS：有老铁在安装worker项目的maven的时候报插件错误

[INFO] Scanning for projects...
Downloading: [http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-clean-plugin/2.4.1/maven-clean-plugin-2.4.1.pom](http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-clean-plugin/2.4.1/maven-clean-plugin-2.4.1.pom)
[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-clean-plugin:2.4.1: Plugin org.apache.maven.plugins:maven-clean-plugin:2.4.1 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-clean-plugin:jar:2.4.1
Downloading: [http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-install-plugin/2.3.1/maven-install-plugin-2.3.1.pom](http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-install-plugin/2.3.1/maven-install-plugin-2.3.1.pom)
[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-install-plugin:2.3.1: Plugin org.apache.maven.plugins:maven-install-plugin:2.3.1 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-install-plugin:jar:2.3.1
Downloading: [http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-deploy-plugin/2.5/maven-deploy-plugin-2.5.pom](http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-deploy-plugin/2.5/maven-deploy-plugin-2.5.pom)
[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-deploy-plugin:2.5: Plugin org.apache.maven.plugins:maven-deploy-plugin:2.5 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-deploy-plugin:jar:2.5
Downloading: [http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-site-plugin/2.0.1/maven-site-plugin-2.0.1.pom](http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-site-plugin/2.0.1/maven-site-plugin-2.0.1.pom)
[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-site-plugin:2.0.1: Plugin org.apache.maven.plugins:maven-site-plugin:2.0.1 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-site-plugin:jar:2.0.1
Downloading: [http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-antrun-plugin/1.3/maven-antrun-plugin-1.3.pom](http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-antrun-plugin/1.3/maven-antrun-plugin-1.3.pom)
[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-antrun-plugin:1.3: Plugin org.apache.maven.plugins:maven-antrun-plugin:1.3 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-antrun-plugin:jar:1.3
Downloading: [http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-assembly-plugin/2.2-beta-5/maven-assembly-plugin-2.2-beta-5.pom](http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-assembly-plugin/2.2-beta-5/maven-assembly-plugin-2.2-beta-5.pom)
[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-assembly-plugin:2.2-beta-5: Plugin org.apache.maven.plugins:maven-assembly-plugin:2.2-beta-5 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-assembly-plugin:jar:2.2-beta-5
Downloading: [http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-dependency-plugin/2.1/maven-dependency-plugin-2.1.pom](http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-dependency-plugin/2.1/maven-dependency-plugin-2.1.pom)
[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-dependency-plugin:2.1: Plugin org.apache.maven.plugins:maven-dependency-plugin:2.1 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-dependency-plugin:jar:2.1
Downloading: [http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-release-plugin/2.0/maven-release-plugin-2.0.pom](http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-release-plugin/2.0/maven-release-plugin-2.0.pom)
[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-release-plugin:2.0: Plugin org.apache.maven.plugins:maven-release-plugin:2.0 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-release-plugin:jar:2.0
Downloading: [http://repo1.maven.org/maven2/org/codehaus/mojo/maven-metadata.xml](http://repo1.maven.org/maven2/org/codehaus/mojo/maven-metadata.xml)
Downloading: [http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-metadata.xml](http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-metadata.xml)
[WARNING] Could not transfer metadata org.apache.maven.plugins/maven-metadata.xml from/to central ([http://repo1.maven.org/maven2](http://repo1.maven.org/maven2)): Error transferring file: Connection timed out: connect
[WARNING] Could not transfer metadata org.codehaus.mojo/maven-metadata.xml from/to central ([http://repo1.maven.org/maven2](http://repo1.maven.org/maven2)): Error transferring file: Connection timed out: connect
Downloading: [http://repo1.maven.org/maven2/org/codehaus/mojo/maven-metadata.xml](http://repo1.maven.org/maven2/org/codehaus/mojo/maven-metadata.xml)
Downloading: [http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-metadata.xml](http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-metadata.xml)
[WARNING] Could not transfer metadata org.apache.maven.plugins/maven-metadata.xml from/to central ([http://repo1.maven.org/maven2](http://repo1.maven.org/maven2)): Error transferring file: Connection timed out: connect
[WARNING] Could not transfer metadata org.codehaus.mojo/maven-metadata.xml from/to central ([http://repo1.maven.org/maven2](http://repo1.maven.org/maven2)): Error transferring file: Connection timed out: connect
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 3:30.786s
[INFO] Finished at: Sun Jul 08 15:55:29 CST 2012
[INFO] Final Memory: 2M/121M
[INFO] ------------------------------------------------------------------------
[ERROR] No plugin found for prefix 'archetype' in the current project and in the plugin groups [org.apache.maven.plugins, org.codehaus.mojo] available from the repositories [local (D:\project\.mave_repo\repo), central ([http://repo1.maven.org/maven2](http://repo1.maven.org/maven2))] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] [http://cwiki.apache.org/confluence/display/MAVEN/NoPluginFoundForPrefixException](http://cwiki.apache.org/confluence/display/MAVEN/NoPluginFoundForPrefixException)

我更新了worker目录下的Dockerfile文件，使用阿里云maven仓库地址覆盖了原来的maven地址。我是先找到docker所在的容器，通过install maven的时候maven的安装路径：/usr/share/maven/conf/ ，然后将本地的settings.xml覆盖原来的地址就可以解决了。

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2. 容器的技术概述（二）
3. docker的魅力初体验-5分钟安装wordpress不走弯路（三）
4. docker官网介绍（四）
5. 如何在mac上安装docker（五）
6. 如何在window上安装docker（六）
7. 如何在mac上通过vagrant安装虚拟机（七）
8. 如何在window上通过vagrant安装虚拟机（八）
9. docker-Machine的本地使用（九）
10. docker-Machine的本地使用（十）
11. 在linux/mac下通过Docker-Machine在阿里云上的使用（11）
12. docker架构和底层技术（12）
13. docker Image概述（13）
14. 手动建立一个base Image（14）
15. 什么是Container（15）
16. 构建自己的Docker镜像（16）
17. Dockerfile详解（17）
18. 镜像的发布（18）
19. Dockerfile实战（19）
20. 容器的操作（20）
21. Dockerfile实战CMD和ENTRTYPOINT的配合（21）
22. 容器的资源限制（22）
23. docker网络（23）
24. docker学习必会网络基础（24）
25. Linux网络命名空间（25）
26. Docker Bridge详解（26）
27. 容器之间的Link（27）
28. 容器的端口映射（28）
29. 容器网络之host和none（29）
30. 多容器复杂应用的部署（30）
31. overlay网络和etcd实现多机的容器通信（31）
32. docker的数据持久化存储和数据共享（32）
33. windows下vagrant 通过SecureCRT连接centos7（33）
34. 数据持久化之Data Volume（34）
35. 数据持久化之bind Mounting（35）
36. docker 使用bind Mounting实战（36）
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38. docker Compose到底是什么（38）
39. Docker Compose的安装和基本使用（39）
40. Docker 水平扩展和负载均衡（40）
    
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