[!NOTE]

• Why I wrote this: I was learning GraphQL in Apollo server’s doc and they were talking about CORS HTTP-header-based protocol that dawned on me that I do not have a hands on experience with it.
• Need to learn what is CORS? Read this then.

Preparation

1. We need to define an env variable for frontend URL to read it in runtime.

   That is if you do not wanna hardcode your frontend URL in your backend codebase!

2. First I wanna do it a bit manually.

3. TK – Automated with Terraform, or maybe add SSL first to it and then automation.