Here are a lot (too many?) of good links on the subject follow deep, read all about it, watch the videos and slideshows

Web Programming: For Beginners, Recommendations for client-side state management, web applications: what is the correct way to realise web applications, RESTful web-services in Perl, mod_perl website structure

or dive right in cgi-app / mojo / dancer / catalyst to start writing perl web apps

Modern Perl a loose description of how experienced and effective Perl 5 programmers work....You can learn this too.

perlootut

Refactoring Everything, Retrospective

:) Welcome, see The Perl Monks Guide to the Monastery and PerlMonks FAQ: How do I compose an effective node title?

An effective title might be: pointers for creating a persistent RESTful server using Moose

cgi-app / mojo / dancer / catalyst / squatting all plack together restfully, can't go wrong with either one