nginx subdomain config

original post from: http://anton-slim.com/?p=219

   server {
        server_name     *.debian;
        charset         utf-8;

        set $subdomain "";
        if ($host ~* ^([a-z0-9-\.]+)\.debian$) {
            set $subdomain $1;
        }
        if ($host ~* ^www.local$) {
            set $subdomain "";
            rewrite ^ http://debian permanent;
        }

        root    /home/slim/subdomains/$subdomain;
        client_max_body_size 32M;

        access_log      /home/slim/logs/access.nginx.log       main;
        error_log       /home/slim/logs/error.nginx.log        error;

        location / {
            index       index.html index.php;
            try_files $uri $uri/ =404;
        }

        location ~ \.php$ {
                include snippets/fastcgi-php.conf;

                # With php5-cgi alone:
                #fastcgi_pass 127.0.0.1:9000;
                # With php5-fpm:
                fastcgi_pass unix:/var/run/php5-fpm.sock;
        }
   }