We have come to the end of another amazing chapter. In this chapter, we saw the capability of Firebase doing a lot of things as a backend. We also saw how easy it is to write cloud functions in Kotlin. Most of the things are taken care of by Firebase only, such as load balancing, SSL connections, server maintenance, and so on. We simply focus on our tiny cloud function in isolation. After deployment, that function becomes part of the entire Firebase infrastructure ocean.

Dealing with the Firebase real-time database is also very easy. This could get a bit complex and interesting. It depends upon the structure of your data.

Firebase's two other services, Crashlytics and Performance-monitoring, are the cherry on the cake. These are very small utilities, but make your cake – I mean app – look delicious. Unlike the humongous AWS infrastructure, Firebase is...