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PaaS (platform as a service) cloud providers generally limit you to a fixed technology stack. However, OpenShift and Heroku allow third-party extensions, which can be used to support Haskell.


1 DigitalOcean

DigitalOcean gives you a clean server that you can SSH to. Supports Docker as well.

2 OpenShift

GHC version: 7.8.4
Author: Gideon Sireling
Home page:

The cartridge comes in several flavours, with just the network and text packages or a pre-installed framework:

Framework Cartridge QuickStart Deploy
network manifest quickstart deploy
Yesod manifest quickstart deploy
Snap manifest quickstart deploy
Happstack manifest quickstart deploy
MFlow manifest quickstart deploy
Scotty manifest quickstart deploy

cabal update is likely to exceed the memory limit on small (free) gears due to cabal issue #2396.

3 Heroku

GHC version: 7.8.2
Author: Joe Nelson
Home page:

4 Heroku-Haste

GHC version: 7.4.1
Author: Alberto G. Corona
Home page:

Heroku buildpack for tryhplay, incorporating Haste and HPlayground. Demo at

5 See also