---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
  namespace: kube-system
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:latest
        ports:
        - containerPort: 80

---
apiVersion: v1
kind: Service
metadata:
  name: nginx-service
  namespace: kube-system
spec:
  selector:
    app: nginx
  ports:
    - protocol: TCP
      port: 80
      targetPort: 80

---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: nginx-ingress
  namespace: kube-system
spec:
  ingressClassName: nginx   # 🔴 LA CLAVE: Esto enlaza el Ingress con el Controller que está en kube-system
  rules:
  - host: app.cruzcloud.net
    http:
      paths:
      - path: /
        pathType: Prefix
        backend:
          service:
            name: kube-system
            port:
              number: 80