Copied from https://github.com/cko/nixcon2017
The site is built with Hakyll
ghc --make site.hs
site build
site server
Watch and recompile for changes with site watch
nix-build
Go to GitHub.com -> Settings -> Applications -> Personal Access Tokens — > Create new token, and copy it to your clipboard
travis encrypt -r nix-community/nixcon2018.org GH_TOKEN=[your token]