Heroku buildpack for Crystal
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Crystal Heroku Buildpack

You can create an app in Heroku with Crystal's buildpack by running the following command:

$ heroku create myapp --buildpack https://github.com/zamith/heroku-buildpack-crystal.git

In order for the buildpack to work properly you should have a shard.yml file, as it is how it will detect that your app is a Crystal app.

To learn more about using custom buildpacks in Heroku, read their docs.

Older versions of Crystal

If you have and older version of Crystal (<= 0.9), that uses the old Projectfile way of handling dependencies, you can use version 1.0 of the buildpack.