The internet is vast and constantly expanding. A lot of day-to-day tasks can be dealt with in a simpler manner—bill payments, checking reviews of a product, booking movie tickets, and so on. In addition to this, most electronic devices can now be connected to the Internet, such as mobile phones, watches, surveillance systems, and security systems. These can communicate with each other and they need not all be of the same brand. Applications can utilize user-specific information and provide features with better customization. Most importantly, we can decide if we wish to share our information with the application by authenticating it or not.

In this chapter, we will cover Play Framework's support for the following: