GMAIL_URL and TELEGRAM_URL values

Hey,

I'm trying to deploy Huly with Docker, and everything works like a charm, but I have a question.
In your docker-compose file, there are these two variables:
GMAIL_URL
TELEGRAM_URL

with the values http://{SERVER_ADDRESS}:
or http://localhost:

I have tried many different types of values, like my domain, localhost, etc., but it's not working.

So maybe I missed something. What do I need to put as the value?
Do I need to add some containers?
What are these ports?

Thanks a lot for your work and your responses.