---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-backend
  namespace: authelia
  labels:
    app: nginx-backend
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx-backend
  template:
    metadata:
      labels:
        app: nginx-backend
    spec:
      containers:
        - name: nginx-backend
          image: nginx:alpine
          ports:
            - containerPort: 80
          volumeMounts:
            - name: nginx-config
              mountPath: /etc/nginx/nginx.conf
            - name: nginx-html
              mountPath: /usr/share/nginx/html
      volumes:
        - name: nginx-config
          hostPath:
            path: /configmaps/nginx-backend/nginx.conf
            type: File
        - name: nginx-html
          hostPath:
            path: /configmaps/nginx-backend/html
            type: Directory
...
---
apiVersion: v1
kind: Service
metadata:
  name: nginx-backend-service
  namespace: authelia
  labels:
    app: nginx-backend
spec:
  selector:
    app: nginx-backend
  ports:
    - port: 80
      name: http
    - port: 443
      name: https
...
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: nginx-backend-ingress
  namespace: authelia
  annotations:
    kubernetes.io/ingress.class: traefik
    traefik.ingress.kubernetes.io/router.entrypoints: websecure
    traefik.ingress.kubernetes.io/router.middlewares: authelia-forwardauth-authelia@kubernetescrd
spec:
  rules:
    - host: home.example.com
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: nginx-backend-service
                port:
                  number: 80
    - host: public.example.com
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: nginx-backend-service
                port:
                  number: 80
    - host: admin.example.com
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: nginx-backend-service
                port:
                  number: 80
    - host: dev.example.com
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: nginx-backend-service
                port:
                  number: 80
    - host: mx1.mail.example.com
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: nginx-backend-service
                port:
                  number: 80
    - host: mx2.mail.example.com
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: nginx-backend-service
                port:
                  number: 80
    - host: singlefactor.example.com
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: nginx-backend-service
                port:
                  number: 80
...