nginx on K3s with traefik ingress

CreateNginxOnK3s.sh

kubectl create -f - <<EOF
---
apiVersion: v1
kind: Namespace
metadata:
  name: nginxweb
  labels:
    name: nginx
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx
  namespace: nginxweb
  labels:
    app: nginx
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:alpine
        imagePullPolicy: Always
        ports:
        - containerPort: 80
---
kind: Service
apiVersion: v1
metadata:
  name: nginx-service
  namespace: nginxweb
spec:
  ports:
  - name: nginx-service-port
    port: 80
    protocol: TCP
    targetPort: 80
  selector:
    app: nginx
---
apiVersion: traefik.containo.us/v1alpha1
kind: Middleware
metadata:
  name: mw-admin
  namespace: nginxweb
spec:
  stripPrefix:
    forceSlash: false
    prefixes:
    - /web
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: nginx-ingress
  namespace: nginxweb
  annotations:
    kubernetes.io/ingress.class: traefik
    traefik.ingress.kubernetes.io/router.middlewares: nginxweb-mw-admin@kubernetescrd
spec:
  ingressClassName: traefik # can be left blank if a default exists
  rules:
  - host: # define the hostname if needed
    http:
      paths:
      - path: /web
        pathType: Prefix
        backend:
          service:
            name: nginx-service
            port:
              number: 80
EOF