The documentation says
Log::Handler:
file:
filename: /var/log/myapp.log
fileopen: 1
mode: append
newline: 1
but given
my $config = $c->config->{'Log::Handler'} || {};
and
$self->handler(Log::Handler->new( file => {
minlevel => 0,
maxlevel => 7,
%$config,
} ));
in the source code, it is not going to work as expected.