streams-manifests/argocd-nginx/base/argocd-certificate.yaml

apiVersion: cert-manager.io/v1
kind: Certificate
metadata:
  name: tls-secret
  namespace: argocd
spec:
  # Secret names are always required.
  secretName: tls-secret

  # At least one of commonName (possibly through literalSubject), dnsNames, uris, emailAddresses, ipAddresses or otherNames is required.
  dnsNames:
    - argocd-test.streams.sunet.se

  # Issuer references are always required.
  issuerRef:
    name: letsencrypt
    # We can reference ClusterIssuers by changing the kind here.
    # The default value is Issuer (i.e. a locally namespaced Issuer)
    kind: ClusterIssuer