前文使用Docker搭建Jenkins+Docker持续集成环境我们已经搭建了基于docker+jenkins的持续集成环境，并构建了基于maven的项目。这一节，我们继续扩展功能，增加对Nodejs的支持,实现nodejs项目构建、并打包成docker镜像和自动部署。
1. 配置Nodejs环境 1.1 安装nodejs插件打开系统管理——管理插件——可选插件，搜索NodeJS，选择NodeJS Plugin安装
1.2 配置nodejs 版本系统管理 —— 全局工具配置 —— NodeJS，选择安装nodejs，选择当前最新版本9.4，命名NodeJS 9.4。
2. 配置项目 2.1 新建项目新建jenkins项目，选择自由项目，按前文说明配置好SVN、触发器。
在构建环境里，选择Provide Node & npm bin/ folder to PATH，选择我们配置的9.4版本nodejs
2.2 配置构建命令一般是通过npm命令构建，我们选择增加构建步骤 —— Excute shell，输入构建命令：
alias cnpm="npm --registry=https://registry.npm.taobao.org \ --cache=$HOME/.npm/.cache/cnpm \ --disturl=https://npm.taobao.org/dist \ --userconfig=$HOME/.cnpmrc" cnpm install cnpm run build注意，这里为了构建更快，选择通过alias增加cnpm指令，指定使用淘宝的仓库。
2.3 构建docker镜像由于我们构建出来的已经是可访问的资源了，放在dis目录，所以我们可以基于nginx作为基础镜像。
编写DockerFile：
然后，增加构建步骤，ADD build/publish docker image
设置image：192.168.86.8:5000/allinone-web-cicd
勾上push image，会自动push到192.168.86.8:5000仓库
和上文一样，这里继续使用ssh实现docker镜像部署。
增加构建步骤，Execute shell script on remote host using ssh：
选择docker swarm的manager机器，输入命令：
docker service rm allinone-web-cicd docker service create --name allinone-web-cicd --replicas 1 --publish 10081:80 192.168.86.8:5000/allinone-web-cicd这次，我们使用docker service来实现部署，先service rm掉老服务，然后create新服务。
3.测试构建点击立即构建：
稍等片刻，就构建成功了；
[SSH] executing... allinone-web-cicd mj9dwq00ath03i05b8bfe5plx overall progress: 0 out of 1 tasks 1/1: overall progress: 0 out of 1 tasks overall progress: 0 out of 1 tasks overall progress: 0 out of 1 tasks overall progress: 0 out of 1 tasks overall progress: 0 out of 1 tasks overall progress: 0 out of 1 tasks overall progress: 1 out of 1 tasks verify: Waiting 5 seconds to verify that tasks are stable... verify: Waiting 5 seconds to verify that tasks are stable... verify: Waiting 5 seconds to verify that tasks are stable... verify: Waiting 5 seconds to verify that tasks are stable... verify: Waiting 5 seconds to verify that tasks are stable... verify: Waiting 4 seconds to verify that tasks are stable... verify: Waiting 4 seconds to verify that tasks are stable... verify: Waiting 4 seconds to verify that tasks are stable... verify: Waiting 4 seconds to verify that tasks are stable... verify: Waiting 4 seconds to verify that tasks are stable... verify: Waiting 3 seconds to verify that tasks are stable... verify: Waiting 3 seconds to verify that tasks are stable... verify: Waiting 3 seconds to verify that tasks are stable... verify: Waiting 3 seconds to verify that tasks are stable... verify: Waiting 3 seconds to verify that tasks are stable... verify: Waiting 2 seconds to verify that tasks are stable... verify: Waiting 2 seconds to verify that tasks are stable... verify: Waiting 2 seconds to verify that tasks are stable... verify: Waiting 2 seconds to verify that tasks are stable... verify: Waiting 2 seconds to verify that tasks are stable... verify: Waiting 1 seconds to verify that tasks are stable... verify: Waiting 1 seconds to verify that tasks are stable... verify: Waiting 1 seconds to verify that tasks are stable... verify: Waiting 1 seconds to verify that tasks are stable... verify: Waiting 1 seconds to verify that tasks are stable... verify: Service converged [SSH] completed [SSH] exit-status: 0 Finished: SUCCESS这个时候，访问swarm集群的任一:10081，就可以看到效果了。
作者：Jadepeng
出处：jqpeng的技术记事本--
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