i order a domain name and want to get free ssl certificate using cerbot
My website builded on Django and i run this project on my own PC

for hosting it

• i bought white IP from my provider
• make port forwarding for site and DB
• made rules to get signal by this port on my PC

so my web site work and i can open it not only in local net, i can get access distantly to my DB
but i cant get ssl, idk why i get this errors
certbot certonly --standalone --http-01-port 8000 -d chilltavern.online

after this i checked my ports on https://2ip.io/ru/check-port/
and my 8000 and 8080 ports closed but 5432 opened, but they have similar settings

So pls help me idk what to do and how to fix it