k8s之volumes和volumeMounts

apiVersion: apps/v1
kind: Deployment
metadata:
  name: python-deployment
spec:
  replicas: 1
  selector:
    matchLabels:
      app: python-app
  template:
    metadata:
      labels:
        app: python-app
    spec:
      containers:
        - name: python-container
          image: python:3.9
          command: ["python", "-m", "http.server", "8000"]
          ports:
            - containerPort: 8000
          volumeMounts:
            - name: data-volume
              mountPath: /app/data
              subPath: data1
      volumes:
        - name: data-volume
          hostPath:
            path: /root/data

---
apiVersion: v1
kind: Service
metadata:
  name: python-service
spec:
  selector:
    app: python-app
  ports:
    - protocol: TCP
      port: 80
      targetPort: 8000

---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: python-ingress
  annotations:
    nginx.ingress.kubernetes.io/rewrite-target: /
spec:
  rules:
    - host: domain.com
      http:
        paths:
          - path: /app1
            pathType: Prefix
            backend:
              service:
                name: python-service
                port:
                  number: 80