Firebase authentication

In Chapter 4, Develop your Serverless Application, we added an authentication service, integrated a simple sign up form, and had user-authentication functionality ready. Firebase also offers various authentication methods. Let's integrate them.

Configuring authentication methods

With Firebase, I found setting up configuration easier than setting up the AWS. It has a very user-friendly interface. It authenticates users with the following:

• Email/Password
• Phone
• Google+ login
• Facebook
• Twitter
• GitHub
• And even anonymously, see the following screenshot with all of the supported methods for user authentication:

For our app, we have choose to use Email/Password to authenticate users. Let's enable...