ingress.yaml

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  annotations:
    nginx.ingress.kubernetes.io/force-ssl-redirect: "true"
    nginx.ingress.kubernetes.io/from-to-www-redirect: "true"
    nginx.ingress.kubernetes.io/proxy-body-size: 100m
  labels:
    app: backend
  name: backend
spec:
  rules:
    - host: yourdomain.com
      http:
        paths:
          - backend:
              serviceName: backend
              servicePort: 80
            path: /
  # tls:
  #   - hosts:
  #       - yourdomain.com
  #     secretName: yourdomain-com-tls
# ---
# apiVersion: certmanager.k8s.io/v1alpha1
# kind: Certificate
# metadata:
#   name: yourdomain.com
# spec:
#   acme:
#     config:
#       - dns01:
#           provider: cf-dns
#         domains:
#           - yourdomain.com
#   commonName: yourdomain.com
#   dnsNames:
#     - yourdomain.com
#   issuerRef:
#     kind: ClusterIssuer
#     name: letsencrypt
#   secretName: yourdomain-com-tls