# solution1
$app->routes->get('/public/*sr')->to(cb => sub {
  my $self = shift;
  $self->res->code(301);
  $self->redirect_to($self->stash('sr'));
});

# solution2
$app->routes->get('/public/*sr')->to(cb => sub {
  my $self = shift;
  $self->render_static($self->stash('sr'));
});