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[Chicken-users] Chicken on Heroku

From: Evan Hanson
Subject: [Chicken-users] Chicken on Heroku
Date: Wed, 21 Mar 2012 23:40:08 -0400
User-agent: Mutt/1.5.21 (2010-09-15)

A few days ago I put together a buildpack that allows one to run Chicken
apps on Heroku; figured I'd share it here in case someone else finds it

A "buildpack", for the tragically unhip, is just a handful of scripts to
bootstrap an environment for a Heroku process. This one installs Chicken
4.7.0 and runs a standard chicken-install for your program -- apps can
be written just like eggs, with setup- and meta-files per usual.

Defining a default command to run once everything is installed is the
only weird part; Heroku uses a file called a Procfile[1] to specify
processes, which you can use to start e.g. an awful app on the correct
port for the instance:

    web: awful --port=$PORT example.scm

If no Procfile is present, the buildpack will try to run a file called
`run.scm` in your application's root. This may or may not be a good
default -- I'm open to suggestions.

chickadee, pastiche and the handful of awful apps that I tried worked
without any real configuration; there's an example in the README. The
repository is located here:

Hopefully this'll help someone get some hot Chicken-on-cloud action...




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