What are Firebase functions for?

Firebase gives mobile developers access to a complete range of fully managed mobile-centric services including analytics, authentication and Realtime Database . Cloud Functions rounds out the offering by providing a way to extend and connect the behavior of Firebase features through the addition of server-side code.

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Can Firebase be used for chat?

This app will use Firebase Realtime Database to store all chat messages . Before we add data, though, we should make sure that the app is secure and that only authenticated users can post messages. In this step, we will enable Firebase Authentication and configure Realtime Database Security Rules.

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