Attach code to the worker shutdown

finish_logging.pl

#!/usr/bin/env perl
use Mojolicious::Lite;

app->config(hypnotoad => {
  accepts => 1,
  clients => 1,
  listen => ['http://*:8818'],
  requests => 1,
  workers => 1
});

my $log = app->log->level('debug');
$log->debug("start");

Mojo::IOLoop->singleton->on(finish => sub { $log->debug("finish") });

get '/' => sub { shift->render(text => "index\n") };

app->start;