authelia/internal/suites/example/kube/mail/mail.yml

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: mailcatcher
  namespace: authelia
  labels:
    app: mailcatcher
spec:
  replicas: 1
  selector:
    matchLabels:
      app: mailcatcher
  template:
    metadata:
      labels:
        app: mailcatcher
    spec:
      containers:
        - name: mailcatcher
          image: schickling/mailcatcher
          ports:
            - containerPort: 1025
            - containerPort: 1080
...
---
apiVersion: v1
kind: Service
metadata:
  name: mailcatcher-service
  namespace: authelia
spec:
  selector:
    app: mailcatcher
  ports:
    - protocol: TCP
      port: 1080
      name: ui
    - protocol: TCP
      port: 1025
      name: smtp
...
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: mailcatcher-ingress
  namespace: authelia
  annotations:
    kubernetes.io/ingress.class: traefik
    traefik.ingress.kubernetes.io/router.entrypoints: websecure
spec:
  rules:
    - host: mail.example.com
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: mailcatcher-service
                port:
                  number: 1080
...