AUTH_USER_MODEL setting in Django specifies the custom user model to use for authentication. It allows developers to replace the default User model with a custom model that includes additional fields or behavior.In full-stack development, the
AUTH_USER_MODEL setting is used to extend the default user model. For example, a custom user model might include fields like phone_number or profile_picture.By using
AUTH_USER_MODEL, developers can tailor the authentication system to their application’s requirements and improve flexibility.