Influenced by the experiences I’ve had last ten years of building and maintaining Rails applications, combined with my experiences using other technologies, I’ve developed some ways of structuring Rails applications that have worked out pretty well for me.
Ruby lets you express yourself like few other languages, with a minimum of boilerplate. It's fantastic until it isn't. Until one day when you think you're calling the `foo` method you wrote last week, but instead, you end up calling a `foo` method that came with some gem from 2008.
The Jekyll CI does lots of things in it that a simple Jekyll site build might not but clearly JRuby was slowing the whole process down by a significant amount, and this surprised me: Wasn’t the entire point of using JRuby, and its new brother TruffleRuby, speed? Why was JRuby so slow?