#kubectl create secret generic acme-dns --from-file ./acmecred.json

apiVersion: cert-manager.io/v1alpha2
kind: Issuer
metadata:
  name: acme-issuer
spec:
  acme:
    # The ACME server URL
    server: https://acme-staging-v02.api.letsencrypt.org/directory
    email: admin@sdsys.ru
    privateKeySecretRef:
      name: acme-account
    solvers:
    - selector: {}
      dns01:
        acmedns:
          host: http://nsauth.infoklinika.ru
          accountSecretRef:
            name: acme-dns
            key: acmecred.json