Check your dm post the screenshot of the config file here

Nginx is used for reverse proxy for React App.

Thank you very much.

Thank you that works

Am storing userId and email is that Okay?

Keep them separate. Supposed you have a folder called the server create a folder inside the server folder name the folder (client). The client folder should be your frontend while your server files should be in the root of the server folder

When the user finished watching it

I want to save it to my db am using MERN.