Jenkins部署gitLab上的java（maven）项目

https://blog.youkuaiyun.com/molihuakai_118/article/details/104045378

环境配置
https://my.oschina.net/u/3737136/blog/2977600

注意：docker 运行 jenkisn命令：
docker run -d --name jenkins -p 8040:8080 -p 50000:50000 -v /jdk/jdk1.8.0_192:/jdk/jdk1.8.0_192 -v /data/jenkins_home:/var/jenkins_home jenkins/jenkins:2.222.3-centos (测试过的成功，jdk目录需要挂载进容器内部，maven自动安装的)