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Nginx+Passenger+Rails

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当网站做好了之后，需要部署，部署的方法有很多，这里就简单介绍在 Mac 下用 Nginx + Passenger 部署 Rails 的运行环境。

假设已经配置好了ruby,rails等环境。

1.安装Passenger + Nginx

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$ gem install passenger
$ passenger-install-nginx-module

Whichever you choose, if you already have an existing Nginx configuration file,
then it will be preserved.
Enter your choice (1 or 2) or press Ctrl-C to abort:

这里建议选择1

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Please specify a prefix directory [/opt/nginx]: /usr/local/nginx

当询问nginx的安装路径的时候，个人建议安装到/usr/local/nginx下

当安装完成后，会在console中提示如何配置Nginx
Passenger会自动帮你将下面两行添加到Nginx的配置文件中/usr/local/nginx/conf/nginx.conf（很人性化）

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http {
...
    passenger_root /Users/Daniel/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.10;
    passenger_ruby /Users/Daniel/.rvm/wrappers/ruby-1.9.2-p290/ruby;
...
}

server {
    listen 80;
    server_name www.yourhost.com;
    root /somewhere/public;   # <--- be sure to point to 'public'!
    passenger_enabled on;
}

2.配置Nginx + Passenger + Rails
修改hosts文件，给你的项目一个本地域名, 比如awesome_project.local

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$ sudo vim /etc/hosts
127.0.0.1 awesome_project.local

测试hosts

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$ ping awesome_project.local
PING awesome_project.local (127.0.0.1): 56 data bytes

继续配置Nginx, 这里我给出一个最小可运行的Nginx配置文件

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$ vim /usr/local/nginx/conf/nginx.conf
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worker_processes  1;
events {
  worker_connections  1024;
}
http {
  passenger_root /Users/Daniel/.rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.10;
  passenger_ruby /Users/Daniel/.rvm/wrappers/ruby-1.9.2-p290/ruby;
include       mime.types;
  default_type  application/octet-stream;
  sendfile      on;
  keepalive_timeout  65;
server {
    listen 80;
    server_name awesome_project.local;
    root /Users/Daniel/awesome_project/public;
    passenger_enabled on;
    rails_env development;
  }
}

测试Nginx的配置文件语法是否正确

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$ sudo nginx -t
nginx: the configuration file /usr/local/nginx/conf/nginx.conf syntax is ok
nginx: configuration file /usr/local/nginx/conf/nginx.conf test is successful

启动Nginx

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$ sudo nginx

如何在修改Nginx的配置文件后，让Nginx载入新配置

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$ sudo nginx -s reload

如何停止Nginx

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$ sudo nginx -s stop

如何在不停Nginx的情况下，重新启动Passenger

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$ cd path/to/your/awesome/project
$ touch tmp/restart.txt

好了，这个时候你可以打开浏览器，访问你的awesome_project网站了

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http://awesome_project.local

有时候，需要到 /usr/local/nginx/sbin/
执行：

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Sudo ./nginx

问题来了，启动后一直显示”welcome to nginx”
解决方案：在conf文件里注释掉

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# location / {
#     root   html;
#    index  index.html index.htm;
# }

参考：

通过Nginx在一台服务器上部署两个Rails项目

如何在 Mac 下用 Nginx + Passenger 部署 Rails 的运行环境

Ruby专题