nginx(website on server) listens on port 4443 and then forwards to the frontend and backend.
nginx main configuration adds a stream block to uniformly listen on port 443, then forwards based on domain to coturn(5349) and website(4443).
The TURN port used in WebRTC is changed to 443.
The deployment document adds a script action to delete extra configurations generated by certbot.
david_bai
7950aec063