S.Siweck

Treafik:  I have not changed anything. I can add my information from my host (OVH) but I don't know what to put in KEY and value.

Docker-compose Panel:  When I looked on the Traefik website, I found this; https://doc.traefik.io/traefik/v2.3/https/acme/#providers And I found this for my host [OVH](https://go-acme.github.io/lego/dns/ovh/) I had added the key with the value...

Okay fine, but then why can't it find? I opened port 80 and 443, I installed a wordpress (that I uninstalled after) for test and with it everything was good.

I had launched wordpress on another VM, I just tested on the same VM with the labels. I can't access it (config problem) but I have the certificate in acme.json....