This is personal opinion but these days I'd probably swap Sinatra for Roda[1] for small API services. It's generally faster, uses less memory and is a really g

This is personal opinion but these days I'd probably swap Sinatra for Roda[1] for small API services. It's generally faster, uses less memory and is a really good example of well written ruby code, IMHO. I also really like Jeremy Evans' book, Polished Ruby. 1. http://roda.jeremyevans.net/index.html http://roda.jeremyevans.net/index.html 2. https://www.packtpub.com/product/polished-ruby-programming/9781801072724 https://www.packtpub.com/product/polished-ruby-programming/9...