$ENV{CONTENT_TYPE} ||= $request->header('Content-Type') || '';
$ENV{CONTENT_LENGTH} ||= $request->header('Content-Length') || '';
$ENV{GATEWAY_INTERFACE} ||= 'CGI/1.1';
+ $ENV{HTTP_USER_AGENT} ||= 'Catalyst';
$ENV{HTTP_HOST} ||= $request->uri->host || 'localhost';
$ENV{QUERY_STRING} ||= $request->uri->query || '';
$ENV{REQUEST_METHOD} ||= $request->method;