Today we go over how to sign in, sign up, and sign out to Firebase with email using Swift 3. This is a step by step tutorial that will explain what is happening in each line of code so you can grasp the full concept of how to create a Firebase user and sign them into your iOS app successfully. Since Firebase is very deep and powerful, I have decided to use the sign up process as foundation to Firebase knowledge so I will be able to cover more complex features in the future.
Most modern apps req