Chapter 17: Traditional hosting (17d)

Chapter 17: Heroku support (17c)

Chapter 17: Email notification of application errors (17b)

Chapter 17: Deploy command (17a)

Chapter 16: Source code profiling (16b)

Chapter 16: Logging of slow database queries (16a)

Chapter 15: Unit tests with Selenium (15d)

Chapter 15: API testing with the Flask test client (15c)

Chapter 15: Unit tests with the Flask test client (15b)

Chapter 15: Coverage metrics (15a)