Authorizating your API applications can be trivial, if you have proper tolls to do it. Here I showcase how authorization with JWT can be done effortless in any ruby application by using Hanami 2 as an example.
Have you ever need to stringify keys outside of rails? Whether you want to import or export CSVs or communicate with external services you may need to parse the input to different output. 'dry-transformer' can help you with it.