如何在单个域上为React app + Express设置k8s入口？

# react-deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: react-app
spec:
  replicas: 3
  selector:
    matchLabels:
      app: react-app
  template:
    metadata:
      labels:
        app: react-app
    spec:
      containers:
        - name: react-app
          image: your-react-image:tag
          ports:
            - containerPort: 80
---
apiVersion: v1
kind: Service
metadata:
  name: react-service
spec:
  selector:
    app: react-app
  ports:
    - protocol: TCP
      port: 80
      targetPort: 80

# express-deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: express-app
spec:
  replicas: 3
  selector:
    matchLabels:
      app: express-app
  template:
    metadata:
      labels:
        app: express-app
    spec:
      containers:
        - name: express-app
          image: your-express-image:tag
          ports:
            - containerPort: 3000
---
apiVersion: v1
kind: Service
metadata:
  name: express-service
spec:
  selector:
    app: express-app
  ports:
    - protocol: TCP
      port: 80
      targetPort: 3000

# ingress.yaml
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: app-ingress
  annotations:
    nginx.ingress.kubernetes.io/rewrite-target: /
spec:
  rules:
    - host: yourdomain.com
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: react-service
                port:
                  number: 80
          - path: /api/
            pathType: Prefix
            backend:
              service:
                name: express-service
                port:
                  number: 80

kubectl apply -f react-deployment.yaml
kubectl apply -f express-deployment.yaml
kubectl apply -f ingress.yaml