nginx user directory config

         location ~ ^/~(.+?)(/.*)?$ {
                alias /home/$1/public_html$2;
                index index.html index.htm;
                autoindex off;
            gzip             on;
        gzip_min_length  1000;
            gzip_proxied     expired no-cache no-store private auth;
            gzip_types       text/plain application/xml;
            gzip_disable     "MSIE [1-6]\.";

            expires       5m;
            add_header    Cache-Control  private;
        }