https://github.com/hwayne/awesome-cold-showers

Do you know any code tasks for learning #clojure that are harder than Koans but simpler than Advent of Code?
AoC is too time-consuming.

Also, I found a great list of how to learn Clojure:
https://gist.github.com/ssrihari/0bf159afb781eef7cc552a1a0b17786f

It's just crazy how expensive it is to run things in clouds:
https://world.hey.com/dhh/the-big-cloud-exit-faq-20274010