.NET Core Microservices - Configure Start Up File for Coupon Repository

The video tutorial explains how to configure an HTTP client within the startup class file of a shopping cart API. It covers using the base URL from app settings, adding the HTTP client to services, and configuring it for the coupon repository. The tutorial also discusses registering the coupon and card repositories and ensuring the validity of coupons and discounts in the card API.

What additional repository needs to be registered alongside the card repository?

What should be ensured regarding the coupon and discount in the card API?