nginx.conf

server {
   charset utf-8;
   client_max_body_size 128M;

   listen 80; ## listen for ipv4
   #listen [::]:80 default_server ipv6only=on; ## listen for ipv6

   server_name xxxxx.com;
   root        /path/to/xxxxx.com/public/;
   index       index.php;

   access_log  /data/log/nginx/xxxxx.com-access.log;
   error_log   /data/log/nginx/xxxxx.com-error.log;

   error_page 404 http://xxxxx.com/not_found.html;
   error_page 500 502 503 504 http://xxxxx.com/server_busy.html;
   
   location / {
       # Redirect everything that isn't a real file to index.php
       try_files $uri $uri/ /index.php$is_args$args;
   }

   # uncomment to avoid processing of calls to non-existing static files by Yii
   location ~ \.(js|css|png|jpg|gif|swf|ico|pdf|mov|fla|zip|rar)$ {
       access_log off;
	     expires    30d;
       try_files $uri =404;
   }

   location ~ \.php$ {
       include fastcgi_params;
       fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
       fastcgi_pass   127.0.0.1:9000;
       #fastcgi_pass unix:/var/run/php5-fpm.sock;
       try_files $uri =404;
   }

   location ~ /\.(ht|svn|git) {
       deny all;
   }
}