location ~ /zope(/|$) {
    fastcgi_pass unix:/var/run/plone-site.sock;
    include /etc/nginx/fastcgi_params;

    set $fixed_content_length $content_length;
    if ( $fixed_content_length = "" ) {
        set $fixed_content_length "0";
    }

    set $path_info "/";
    if ( $document_uri ~ "^/zope(/.*)$" ) {
        set $path_info $1;
    }

    fastcgi_param CONTENT_LENGTH $fixed_content_length;
    fastcgi_param PATH_INFO $path_info;
    fastcgi_param SCRIPT_NAME /zope;
}