---
name: "Plack::Loader::Shotgun"
section: "3pm"
platform: "linux"
package: "libplack-perl"
version: "1.0051-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/Plack::Loader::Shotgun"
---

# Plack::Loader::Shotgun(3pm)

forking implementation of plackup

## NAME

Plack::Loader::Shotgun - forking implementation of plackup

## SYNOPSIS

```
  plackup -L Shotgun
```

## DESCRIPTION

Shotgun loader delays the compilation and execution of your application until the runtime. When a new request comes in, this forks a new child, compiles your code and runs the application.

This should be an ultimate alternative solution when reloading with Plack::Middleware::Refresh doesn't work, or plackup's default `"-r"` filesystem watcher causes problems. I can imagine this is useful for applications which expects their application is only evaluated once (like in-file templates) or on operating systems with broken fork implementation, etc.

This is much like good old CGI's fork and run but you don't need a web server, and there's a benefit of preloading modules that are not likely to change. For instance if you develop a web application using Moose and DBIx::Class,

```
  plackup -MMoose -MDBIx::Class -L Shotgun yourapp.psgi
```

would preload those modules and only re-evaluates your code in every request.

## AUTHOR

Tatsuhiko Miyagawa with an inspiration from \<http://github.com/rtomayko/shotgun\>

## SEE ALSO

plackup