Serialize User

The JSON:API Serializer uses the serializer class of Ruby. Serializers are Ruby classes responsible for converting a model into a Hash or a JSON.

Generate serializer for the User model

To serialize the User, we need to add a user_serializer.rb file. We can do it manually, but the gem provides a command-line interface to do it:

$ rails generate serializer User email

Use this command in the terminal below to add the user_serializer.rb ...