---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: keycloak
  namespace: auth-system
  labels:
    app.kubernetes.io/created-by: tyil
    app.kubernetes.io/managed-by: manual
    app.kubernetes.io/name: keycloak
    app.kubernetes.io/part-of: auth-system
  annotations:
    cert-manager.io/cluster-issuer: "letsencrypt-production"
spec:
  ingressClassName: "traefik"
  tls:
  - hosts:
    - keycloak.tyil.nl
    secretName: tls-nl.tyil.keycloak
  rules:
  - host: keycloak.tyil.nl
    http:
      paths:
      - path: /
        pathType: Prefix
        backend:
          service:
            name: keycloak
            port:
              number: 80
...