wiki.conf

server {
        listen   80;
        server_name  wiki.com;

        root   /sites/wiki;

        location / {
                index index.php5;
                error_page 404 = @mediawiki;
        }

        location @mediawiki {
                rewrite ^/([^?]*)(?:\?(.*))? /index.php5?title=$1&$2 last;
        }

        location ~ \.php5?$ {
                include /opt/local/etc/nginx/fastcgi_params;
                fastcgi_pass  127.0.0.1:8888;
                fastcgi_index index.php5;
                fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        }

}