Plackup a static web site and a web application from one PSGI file for development.

bootstrap.psgi

#!/usr/bin/env perl                                                             

use Plack::Builder;
use Plack::App::File;
use My::WebApp;

my $app1 = Plack::App::File->new(root => "vendor/root")->to_app;
my $app2 = My::WebApp->psgi_app;

builder {
  mount "/" => $app1;
  mount "/app" => $app2;
};