NGINX / WordPress Multisite

wp-multisite-nginx.conf

map $uri $blogname{
  ~^(?P<blogpath>/[^/]+/)files/(.*) $blogpath ;
}
 
map $blogname $blogid{
  default -999;
 
  #Ref: http://wordpress.org/extend/plugins/nginx-helper/
  #include /var/www/wordpress/wp-content/plugins/nginx-helper/map.conf ;
}
 
server {
  server_name _;
 
  root /home/apps/www/current;
  index index.php;
 
  location ~ ^(/[^/]+/)?files/(.+) {
    try_files /wp-content/blogs.dir/$blogid/files/$2 /wp-includes/ms-files.php?file=$2 ;
    access_log off; log_not_found off; expires max;
  }
 
  #avoid php readfile()
  location ^~ /blogs.dir {
    internal;
    alias /home/apps/www/current/wp-content/blogs.dir ;
    access_log off; log_not_found off; expires max;
  }
 
  if (!-e $request_filename) {
    rewrite /wp-admin$ $scheme://$host$uri/ permanent;  
    rewrite ^(/[^/]+)?(/wp-.*) $2 last; 
    rewrite ^(/[^/]+)?(/.*\.php) $2 last; 
  }
 
  location / {
    try_files $uri $uri/ /index.php?$args ;
  }
 
  location ~ \.php$ {
    fastcgi_pass   127.0.0.1:9000;
    fastcgi_index  index.php;
    fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
    include        fastcgi_params;
  }
 
  #add some rules for static content expiry-headers here
}