Sinatra has become the natural choice for building fast and efficient Ruby applications without the weight of Rails. In fact, consider that the entire ￼Sinatra codebase weighs in at less than 2,000 lines—around 1% the size of Rails! And, unlike Rails, you have the freedom to choose the tools you prefer. Just like Sinatra itself, Jump Start Sinatra packs a punch. You’ll be taken on a tour of the ‘classy approach to web development’, building up to a fully modular, database-driven website. Find out why Apple, the BBC, and GitHub are using it today!