Show how you need prevent the object from going out of scope

keep_alive.pl

#!perl
use Mojolicious::Lite;

get '/' => sub {
  my $c = shift;
  my $ua = Mojo::UserAgent->new;

  # Try keeping this object alive with http://localhost:3000?keep_alive=1
  $c->stash(ua => $ua) if $c->param('keep_alive');

  $c->render_later;

  $ua->get('https://www.solfaktor.no/', sub {
      my ($ua, $tx) = @_;
      $c->render(text => $tx->res->code);
  });
};

app->start;