Lucas Carlson創建瞭AppFog，這是一傢采用Cloud Foundry的PaaS公司，該公司於2013年被CenturyLink收購。Lucas是一位有著10年開發經驗的專業開發者，專注於Ruby on Rails的開發工作。Lucas還與他人共同編寫瞭《Ruby大全》（http://shop.oreilly.com/product/9780596523695.do）。他還用不同的編程語言編寫瞭數十個庫，並且為其他很多庫共享過代碼，包括Rails以及RedCloth。他的個人網站為rufy.com（http://rufy.com/）。

As a web application developer, you've had only a few options in the past 20 years: shared web hosting (easy but slow and unreliable) or dedicated web hosting (hard and unreliable). Platform as a service (PaaS) not only gives you a new option, it offers the best of both worlds as an easy, fast, reliable, and scalable solution. Among other advantages, this book will give you: An explanation of the confusion between core cloud technology vs cloud-powered apps like Gmail, Dropbox, etc Real life PaaS case studies A lesson of the tradeoffs between portable and non-portable PaaS systems Code examples of app changes An overview of mobile apps on PaaS