SlapbirdAPM is a free-software observability platform tailor made for Perl web-applications. [ It is also a Perl web-application :^) ] It has first class support for Plack, Mojo, Dancer2, and CGI. Slapbird provides developers with comprehensive observability tools to monitor and optimize their applications’ performance. In this article I will explain how to setup a Plack application with Slapbird. If you want to use another supported framework, please read our Getting Started documentation,...