Solving Mojolicious fork-based multi-processes daemon(eg. hypnotoad) Mojo::mysql connection timeout close issue.

mojo_mysql_reconnect.pl

use Mojolicious::Lite;
use Mojo::mysql;

helper db => sub {
                 state $db =  Mojo::mysql->new('mysql://user:pass@/task')->db;
                 if (! $db->ping ) {
                     $db->dbh( $db->dbh->clone() ) or die "cannot connect to db";
                 }
                 return $db;
             };


get '/list' => sub {
    my $c = shift;
    
    my $rs = $c->db->query('select count(*) as count from list');
    my $rs_count = $rs->hash->{count};
    
    $c->render( text => $rs_count );

};