mkdir ~/traefik && cd ~/traefik
helm repo add traefik https://helm.traefik.io/traefik
helm repo update
helm pull traefik/traefik --untar
cd traefik
tree .

.
├── Changelog.md
├── Chart.yaml
├── crds
│   ├── ingressroutetcp.yaml
│   ├── ingressrouteudp.yaml
│   ├── ingressroute.yaml
│   ├── middlewarestcp.yaml
│   ├── middlewares.yaml
│   ├── serverstransports.yaml
│   ├── tlsoptions.yaml
│   ├── tlsstores.yaml
│   └── traefikservices.yaml
├── Guidelines.md
├── LICENSE
├── README.md
├── templates
│   ├── daemonset.yaml
│   ├── dashboard-hook-ingressroute.yaml
│   ├── deployment.yaml
│   ├── extra-objects.yaml
│   ├── gatewayclass.yaml
│   ├── gateway.yaml
│   ├── _helpers.tpl
│   ├── hpa.yaml
│   ├── ingressclass.yaml
│   ├── poddisruptionbudget.yaml
│   ├── _podtemplate.tpl
│   ├── pvc.yaml
│   ├── rbac
│   │   ├── clusterrolebinding.yaml
│   │   ├── clusterrole.yaml
│   │   ├── podsecuritypolicy.yaml
│   │   ├── rolebinding.yaml
│   │   ├── role.yaml
│   │   └── serviceaccount.yaml
│   ├── _service.tpl
│   ├── service.yaml
│   ├── tlsoption.yaml
│   └── tlsstore.yaml
└── values.yaml

3 directories, 37 files

# install
kubectl create ns traefik-v2
helm install --namespace=traefik-v2 \
  traefik traefik/traefik
kubectl -n traefik-v2 get all

cd ../web/

cat >ingress-values.yaml <<EOF
ingress:
  enabled: true
  className: ""
  annotations:
    kubernetes.io/ingress.class: traefik
    # kubernetes.io/ingress.class: nginx
    # kubernetes.io/tls-acme: "true"
  hosts:
    - host: web.local
      paths:
        - path: /
          pathType: ImplementationSpecific
  tls: []
  #  - secretName: chart-example-tls
  #    hosts:
  #      - chart-example.local
EOF

helm template --values ingress-values.yaml --set image.tag=1.21.3 . |more
helm upgrade web --values ingress-values.yaml --set image.tag=1.21.3 .
curl -H "Host: web.local" http://127.0.0.1:8580

Beispiel Ingress Manifest

# Source: web/templates/ingress.yaml
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: release-name-web
  labels:
    helm.sh/chart: web-0.1.0
    app.kubernetes.io/name: web
    app.kubernetes.io/instance: release-name
    app.kubernetes.io/version: "1.16.0"
    app.kubernetes.io/managed-by: Helm
  annotations:
    kubernetes.io/ingress.class: traefik
spec:
  rules:
    - host: "web.local"
      http:
        paths:
          - path: /
            pathType: ImplementationSpecific
            backend:
              service:
                name: release-name-web
                port:
                  number: 80

cat >~/carpool/app/ingress.yaml <<EOF
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: carpool
  labels:
    app.kubernetes.io/name: carpool
  annotations:
    kubernetes.io/ingress.class: traefik
spec:
  rules:
    - host: "carpool.local"
      http:
        paths:
          - path: /
            pathType: ImplementationSpecific
            backend:
              service:
                name: carpool
                port:
                  number: 5000
EOF
kubectl apply -n carpool -f ~/carpool/app/ingress.yaml
curl -H "Host: carpool.local" http://127.0.0.1:8580/car
[{"car_id":1,"car_type":"mini clubman SD","license_plate":"BO-PR-72"}]
TRAEFIK_PODNAME=$(kubectl -n traefik-v2 get pods -l app.kubernetes.io/name=traefik -o jsonpath="{range .items[*]}{@.metadata.name}{end}")
kubectl -n traefik-v2 port-forward $TRAEFIK_PODNAME 9000:9000 &
# open browser http://127.0.0.1:9000/dashboard/


# or 

# cloud instance
IP4=$(/sbin/ip -o -4 addr list eth0 | awk '{print $4}' | cut -d/ -f1)
# notebook
IP4=$(/sbin/ip -o -4 addr list br2 | awk '{print $4}' | cut -d/ -f1

kubectl -n traefik-v2 port-forward $TRAEFIK_PODNAME --address $IP4 9000:9000 &

# open browser http://$IP4:9000/dashboard/