As part of my new year resolutions, I'm converting a classic CGI app to PSGI.

So what I've done so far is:

• installed plack
• installed mod_perl
• installed Plack::Handler::Apache2
• written a minimal application
• tweaked my Apache config to serve the application at a certain URL

and that's all working.

So ... what have I achieved exactly?

Is my tiny PSGI app somehow running within the apache process somewhere? Continually running in the webserver memory? If it is, how come I can change the code and see the changes without restarting Apache? If not, how come I can't see it as a process in top or whatever?

I feel I'm missing something here.