Building Microservices API in Go - Data Transfer Object

The video tutorial introduces Data Transfer Objects (DTOs) and their importance in maintaining modularity by separating domain objects from the user interface. It explains the process of implementing DTOs in the service layer, testing the application, and handling errors. The tutorial also covers refactoring code to shift DTO creation responsibility to domain objects and enhancing DTOs with status text for better clarity. The video concludes with a recap and a preview of the next topic on environment variables.

How does the introduction of DTOs affect the communication between user and business sides?

What is the role of the primary port in the service component when using DTOs?

What is the significance of using JSON tags in DTOs instead of DB tags?

Describe how the knowledge of status values can be attached to the domain object.