You should now have a great understanding of Redis and how to use it to store the application state. Another great feature of Redis is its simple Pub/Sub model, which can pass non-persistent messages between different processes on different machines. Finally, we added Redis to store application state to our PacktChat application.

In the next chapter, we will start the transition where we will focus on the frontend. We will tie up loose ends with the backend and start discussing the tools we will use to build our user interface.