Networking with Traefik

• Service to proxy deployment (via selector io.kompose.service: proxy)
• Middleware for auto redirection https in default namespace (allowCrossNamespace: true must be set).
• Ingress creates an Traefik Object, which is connected to the service. web and websecure as entrypoint and middleware for redirection.

sequenceDiagram
    participant Client
    box Grey Kubernetes Cluser
    participant Traefik
    participant Ingress
    participant Service
    participant Deployment
    participant Pod
    end
    Client->>Traefik: Request (whomai.k3s.it-lab.cc)
    Traefik-->>Ingress: Handle Request
    Ingress-->>Service: Map URL to Service (http://whoami)
    Service-->>Deployment: Map Service to Deployment (whoami)
    Deployment-->>Pod: Choose Pod
    Pod->>Client: Response (whoami)

Ingress Template

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name:
  namespace:
  annotations:
    traefik.ingress.kubernetes.io/router.middlewares: default-cors@kubernetescrd,default-redirectscheme@kubernetescrd
spec:
  rules:
    - host: example.k3s.test
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name:
                port:
                  number:

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Last update: 2023-09-27