I'm using Let's Encrypt

docker run -d --restart=unless-stopped \

-p 80:80 -p 443:443 \

--privileged \

rancher/rancher:latest \

--acme-domain <YOUR.DNS.NAME>

I was forced to introduce the certificate section on the grounds that the error

So I download the certificate of the cluster and passed it.

I have set this up before on AWS and everything works fine but it's the first setting up on Azure and importing an AKS cluster