Does Firebase have a server?

The server side of Firebase Cloud Messaging consists of two components: The FCM backend provided by Google. Your app server or other trusted server environment where your server logic runs, such as Cloud Functions for Firebase or other cloud environments managed by Google.

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What is FCM backend?

Firebase Cloud Messaging (FCM), formerly known as Google Cloud Messaging (GCM), is a cross-platform cloud solution for messages and notifications for Android, iOS, and web applications , which as of 2021 can be used at no cost.

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Does firestore need backend?

The first thing that we need to know about a Firestore, is that most of the backend logic needs to be implemented on Front-end . For example, in our app, we need to send a message to another user or a group of users. In addition to this, it is necessary to change unread messages count and send a push notification.

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