Chapter 1, Getting Started, helps readers set up a Flask environment for development using the best practices for Python projects. You are given a very basic skeleton Flask app that is built throughout the book.
Chapter 2, Creating Models with SQLAlchemy, shows how to use the Python database library SQLAlchemy in conjunction with Flask to create an object-oriented API for your database.
Chapter 3, Creating Views with Templates, shows how to use Flask's templating system, Jinja, to dynamically create HTML by leveraging your SQLAlchemy models.
Chapter 4, Creating Controllers with Blueprints, covers how to use Flask's blueprints feature in order to organize your view code while also avoiding repeating yourself.
Chapter 5, Advanced Application Structure, uses the knowledge gained in the last four chapters, explains how to reorganize the code files in order to create a more maintainable and testable application structure.
Chapter 6, Securing Your App, explains how to use various Flask extensions in order to add a login system with permissions-based access to each view.
Chapter 7, Using NoSQL with Flask, shows what a NoSQL database is and how to integrate one into your application when it allows more powerful features.
Chapter 8, Building RESTful APIs, shows how to provide the data stored in the application's database to third parties in a secure and easy-to-use manner.
Chapter 9, Creating Asynchronous Tasks with Celery, explains how to move expensive or time-consuming programs to the background so the application does not slow down.
Chapter 10, Useful Flask Extensions, explains how to leverage popular Flask extensions in order to make your app faster, add more features, and make debugging easier.
Chapter 11, Building Your Own Extension, teaches you how Flask extensions work and how to create your own.
Chapter 12, Testing Flask Apps, explains how to add unit tests and user interface tests to your app for quality assurance and reducing the amount of buggy code.
Chapter 13, Deploying Flask Apps, explains how to take your completed app from development to being hosted on a live server.