NodeJS : Socket.io and nginx CORS on production

To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

I have a hidden feature that I promised to tell you about.
This is a YouTube's feature which works on Desktop.
First, Ensure that the video is playing before proceeding.
After that, type the word 'awesome' on your keyboard.
You will see a flashing rainbow instead of a regular progress bar on YouTube.

A little intro about me,
Salutations, my name is Delphi.
Let me help you get the answers you need to your questions.
Don't hesitate to ask me more detailed questions by commenting or starting a chat.
If you have additional information or an answer to contribute, please feel free to comment below.
Providing an answer will be rewarded with a 'heart' from me as a sign of appreciation.