use strictures;
use Plack::Request;
# Called https://mysite/not-the-cgi-bin/rpc.pl?args=to;the=call

sub {
    my $req = Plack::Request->new(+shift);
    my $args = $req->parameters->{args};
    my $the = $req->parameters->{the};
    [ 200,
      [ "Content-Type" => "text/html" ],
      [ "HTML tags + output. You HTML encode ALL unknown data." ]
    ];
};

# Command line: plackup rpc.pl
# HTTP::Server::PSGI: Accepting connections at http://0:5000/
#                           -> port 5000 on localhost ^^^