my $app = sub {
	my $env = shift;
	my $webapp = MyApp->new( QUERY => CGI::PSGI->new($env),  
			            [bla bla bla]
				    'env' => $env
				}
			);
	$webapp->run_as_psgi();
};
builder {
	enable 'Session';
	$app;
};

sub cgiapp_prerun {
	my $self = shift;
	my $current_runmode = shift;
	# initialize the session
	my $q =$self->query;
	my $env = $q->env;
	my $session = $env->{'psgix.session'};
	# Check the Login Status and if the user is logged in, start the chosen action
	my $login = $session->get('login');
	unless ($login) {
		$self->prerun_mode('show_login') if ($current_runmode ne 'login_cb');
	}
}