#Create username / password 
htpasswd -c auth myusername

#Create the secret in Kubernetes
kubectl create secret generic basic-auth --from-file=auth

#Check The secret
kubectl get secret basic-auth -o yaml


apiVersion: networking.k8s.io/v1beta1
kind: Ingress
metadata:
  namespace: default
  name: kibana-ingress
  annotations:
    kubernetes.io/ingress.class: nginx
    nginx.ingress.kubernetes.io/auth-realm: Authentication Required
    nginx.ingress.kubernetes.io/auth-secret: basic-auth
    nginx.ingress.kubernetes.io/auth-type: basic
spec:
  rules:
  - host: auth-ingress.tracston.com
    http:
      paths:
      - backend:
          serviceName: kibana-kibana
          servicePort: 5601
        path: /
        pathType: ImplementationSpecific