This loader delays the compilation of specified PSGI application until
the first request time. This prevents bad things from happening with
preforking web servers like Starlet, when your application
manipulates resources such as sockets or database connections in the
master startup process and then shared by children.
You can combine this loader with -M command line option, like:
plackup -s Starlet -MCatalyst -L Delayed myapp.psgi
loads the module Catalyst in the master process for the better process
management with copy-on-write, however the application myapp.psgi
is loaded per children.
Starman since version 0.2000 loads this loader by default unless
you specify the command line option --preload-app for the