一、下载JDK8(如果你已安装过jdk8,此步骤可以略过)
http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
二、下载node.js
https://nodejs.org/en/download/
三、下载Leiningen
https://leiningen.org/
四、下载Metabase源码
https://github.com/metabase/metabase