docker run -d --name whoami \
  -p 8080:80 \
  docker.io/traefik/whoami:latest

docker run -d --name whoami \
  --restart unless-stopped \
  -p 8080:80 \
  -e WHOAMI_PORT_NUMBER=80 \
  docker.io/traefik/whoami:v1.10.3

apiVersion: apps/v1
kind: Deployment
metadata:
  name: whoami
spec:
  replicas: 2
  selector:
    matchLabels:
      app: whoami
  template:
    metadata:
      labels:
        app: whoami
    spec:
      containers:
        - name: whoami
          image: docker.io/traefik/whoami:v1.10.3
          ports:
            - containerPort: 80
---
apiVersion: v1
kind: Service
metadata:
  name: whoami
spec:
  selector:
    app: whoami
  ports:
    - port: 80
      targetPort: 80
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: whoami
spec:
  rules:
    - host: whoami.example.com
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: whoami
                port:
                  number: 80