proxy.pl

use Mojolicious::Lite;

my $feed = 'http://blog.kraih.com/rss.xml';

get '/blog/atom/perl/atom.xml' => sub {
    my $self = shift;
    $self->ua->max_redirects(5)->get($feed => sub {
        $self->render(text => shift->res->body, format => 'rss');
    });
};

app->start;