Stack Trace Lessons I've Learned While Working on a Big System

There's a very big distinction between like library code and internal like business logic code or basically everything else. The way that you write your internal libraries has to look significantly different than the rest of your code because it has to handle your own developer errors. Elixir is almost never going to be the problem on your machine as long as you've designed things following otpe, he says. "The database is the one thing where the solution is just it's almost different every single time"