安装步骤 参考：https://ruby-china.org/topics/32851
在云服务器上安装Ruby|Rails : http://www.cnblogs.com/znsongshu/p/6079223.html
在云服务器上安装数据库 : http://www.cnblogs.com/znsongshu/p/6767874.html
上传本地Rails工程到云服务器
安装Passenger for Nginx
配置Nginx启动rails
配置rails工程的production secret_key_base
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在Aliyun上快速部署Ruby on Rails
https://ruby-china.org/topics/17553
Ubuntu 12.04 上使用 Nginx Passenger 部署 Ruby on Rails
https://github.com/ruby-china/homeland/wiki/Ubuntu-12.04-%E4%B8%8A%E4%BD%BF%E7%94%A8-Nginx-Passenger-%E9%83%A8%E7%BD%B2-Ruby-on-Rails
常见问题
Q: config.ru permission denied
chmod a+x project //You need to loosen permissions on all parent directories too.
/opt/nginx/conf/nginx.conf 添加user zn; 在配置文件中添加用户名
Q: potential privilege escalation vulnerability. Passenger is running as root, and part(s) of the passenger root path .....can be changed by non-root user
路由里面需要添加root