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I'm loving Raisin as a framework for OpenAPI applications, but I've hit a wall and am needing some fresh eyes.

I want to spin up multiple Raisin apps on the same Plack server, something like this:

use Plack::Builder; use RaisinApp1; use RaisinApp2; builder { mount '/app1' => RaisinApp1->new(); mount '/app2' => RaisinApp2->new(); };

But, since Raisin is a functional framework, there's just a single application created, with the second "app" just being concatenated to the first, and with imported methods failing (eg, plugin) because they get imported into the first namespace that uses them.

I'm playing around with possible solutions, but nothing has stuck so far:

  • Reloading the entire Raisin::API module under a different namespace for each app (breaks helper methods in Raisin, so I'd have to rename all modules and code - way too messy)
  • Attempting to overload the "my" variables via an extra 'package Raisin::API' block (didn't think it would work, but worth a try - it didn't).

What I *think* I need is a way to load Raisin::API and it's dependencies in a scope limited way to lock it to each app's instance, but I can't think of how to do it. Would that be doable, or should I just drop the idea of trying to run multiple Raisin apps under Plack in this way? (yes, this is an odd setup, but it's transitional for a year or two while migrating away from a monolith)

Something like this:

my $app1 = some_scope_wrapper(sub { use Raisin::API; build_app1_here(); }); my $app2 = some_scope_wrapper(sub { use Raisin::API; build_app2_here(); }); # Raisin code won't work here...

Am I barking up the wrong tree, or just barking mad?

In reply to Running multiple Raisin apps on a single Plack server by cLive ;-)

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