You go through port 443 to Traefik but why do you need to use https://nextcloudl:443? You’re getting a certificate for cloudl.vqk.ddnsfree.com but that’s your docker host, not your nextcloud container.
You go through port 443 to Traefik but why do you need to use https://nextcloudl:443? You’re getting a certificate for cloudl.vqk.ddnsfree.com but that’s your docker host, not your nextcloud container.