FIREBASE ! What is it?

Firebase is an API that allows you to store arbitrary JavaScript objects in the cloud, as well as notify all clients connected to your app about any changes to that data in real-time. This means you can write full-fledged applications in JavaScript without needing to know anything about servers!

It is a backend platform for building Web, Android and IOS applications. It offers real time database, different APIs, multiple authentication types and hosting platform.

Learn to use Firebase to build and scale your apps. Implement the Firebase Realtime Database and learn how to set up authentication, notifications, remote configuration, and analytics in less than 3 Days.

Firebse as a cloud service

Firebase is a NoSQL database that stores data as simple JSON documents. We can, therefore, compare it to other document-oriented databases such as CouchDB (which also stores data as JSON) or MongoDB (which stores data in the BSON, which stands for binary JSON, format).

Although Firebase is a database with a RESTful API, it's also a real-time database, which means that the data is synchronized between different clients and with the backend server almost instantaneously. This implies that if the underlying data is changed by one of the clients, it gets streamed in real time to every connected client; hence, all the other clients automatically get updates with the newest set of data (without anyone having to refresh these clients manually).

So, to summarize, Firebase is an API and a cloud service that gives us a real-time and scalable (NoSQL) backend. It has libraries for most server-side languages/frameworks such as Node.js, Java, Python, PHP, Ruby, and Clojure. It has official libraries for Node.js and Java and unofficial third-party libraries for Python, Ruby, and PHP. It also has libraries for most of the leading client-side frameworks such as AngularJS, Backbone, Ember, React, and mobile platforms such as iOS and Android.

This is part of what you'll learn

Sync data using the Firebase Realtime Database and Cloud Storage.

Authenticate your users using Firebase Auth.

Deploy your web app on Firebase static hosting.

Send notifications with Firebase Cloud Messaging.

What you'll need

The IDE/text editor of your choice such as WebStorm, Atom or Sublime. npm which typically comes with NodeJS.

A console.

A browser such as Chrome.

If you think you’re ready to learn Firebase, head over to the APPLY NOW section and begin your classes!

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Firebase offers you the following benefits:

It is a cloud service (a hosted solution), so there isn't any setup involved.

Data is stored as native JSON, so what you store is what you see (on the frontend, fetched through a REST API)—WYSIWYS.

Data is safe because Firebase requires 2048-bit SSL encryption for all data transfers.

Data is replicated and backed-up to multiple secure locations, so there are minimal chances of data loss.

When data changes, apps update instantly across devices.

Our apps can work offline—as soon as we get connectivity, the data is synchronized instantly.

Firebase gives us lightning fast data synchronization. So, combined with AngularJS, it gives us three-way data binding between HTML, JavaScript, and our backend (data).

Do I have to be online all the time?

Absolutely Yes. Firebase will power your app's backend, including data storage, user authentication, static hosting, and more. Focus on creating extraordinary user experiences. Firebase will take care of the rest.The only limitation is that Firebase free plan is limited to 50 Connections and 100 MB of storage.

This course is for developers in need for a simple, user-friendly backend platform. After you finish, you will be familiar with the Firebase Web Platform. You can also use this as a backend for your android app development.

The course is intended to making you get started with the Firebase backend platform and its various functions.
JavaScript knowledge may be essential to get the most out of this and some knowledge about some backend platform is good,it could help you understand the various Firebase concepts.