"Flask Web Development" is a hands-on book that walks readers through the development of a real-world project created by the author. Each chapter introduces readers to a different aspect of this project. Chapters will be divided into two parts: the first part will provide reference and background for the topic in question, while the second part will be a hands on implementation of that topic. Readers can read it sequentially or come back to specific chapters for reference information on a given topic. In this second edition, readers will benefit from updates to all of the material across new releases of Python and new tooling, including a section on newer cloud deployment options, such as serverless.