Prerequisites: an install of Docker (If you don’t want an install, Digital Ocean also has a Docker Droplet). The Docker-Haskell “Official Images” container is available for download. You can find the source over on GitHub and the versions currently being built in the official-images repo. To start a ghci we can pull and run the image tagged as 7.8, which contains alex, happy, cabal and ghc-7.8.3: