[Haskell-cafe] Programming videogames in haskell

Sean Seefried sean.seefried at gmail.com
Mon Nov 24 06:47:54 UTC 2014

I've now pushed the image to the Docker Hub. Pull it with:

$ docker pull sseefried/debian-stable-ghc-android

On Mon Nov 24 2014 at 10:57:31 AM Sean Seefried <sean.seefried at gmail.com>

> I just updated the wiki [1] with a build script I wrote in Docker [2].
> Putting together the build script in Docker was a very pleasant
> experience. I broke the script up into many small pieces so that if one
> particular part failed I could simply go back to the last checkpoint and
> start from there. Once I had finished the script, I also had very high
> assurance that it would work with no problems whatsoever when I ran it
> again from scratch.
> Normally putting together build scripts is difficult because of the
> inherently stateful nature of a file system. If you are working on a build
> script that takes a long time to run the temptation is not to start again
> from scratch every time something goes wrong. The turn-around times are
> simply too long. You can't be waiting 50 minutes every time you make a
> small change. Therein lies madness. But because Docker uses a copy-on-write
> filesystem under the hood, the filesystem is really a kind of persistent
> data structure. When one particular part of the script failed I was able to
> go back to *exactly* the state it was in before it failed. The boon to my
> productivity and my sanity was immense.
> Sean
> [1] https://www.haskell.org/haskellwiki/Android
> [2] https://github.com/sseefried/docker-build-ghc-android
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