问Kubernetes nginx入口找不到后端服务

EN

kind: ConfigMap
apiVersion: v1
metadata:
  name: filter-cm
  namespace: hello-world
  labels:
    app: hello-world
    service: filter
data:
  ASPNETCORE_ENVIRONMENT: Development
  ASPNETCORE_URLS: http://0.0.0.0:80
  PATH_BASE: /filter
  PORT: "80"

---

kind: Deployment
apiVersion: apps/v1
metadata:
  name: filter
  namespace: hello-world
  labels:
    app: hello-world
    service: filter
spec:
  replicas: 1
  selector:
    matchLabels:
      service: filter
  template:
    metadata:
      labels:
        app: hello-world
        service: filter
      annotations:
        dapr.io/enabled: "true"
        dapr.io/app-id: "filter-api"
        dapr.io/app-port: "80"
        dapr.io/config: "dapr-config"
    spec:
      containers:
        - name: filter-api
          image: client/hello-world-filter-api:0.0.1
          imagePullPolicy: IfNotPresent
          ports:
            - containerPort: 80
              protocol: TCP
          envFrom:
            - configMapRef:
                name: filter-cm
      imagePullSecrets:
        - name: regcred

---

apiVersion: v1
kind: Service
metadata:
  name: filter-api
  namespace: hello-world
  labels:
    app: hello-world
    service: filter
spec:
  type: NodePort
  ports:
    - port: 80
      targetPort: 80
      nodePort: 30001
      protocol: TCP
      name: http
  selector:
    service: filter

---

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: filter-ingress
  namespace: hello-world
  labels:
    app: hello-world
    service: filter
spec:
  rules:
  - http:
      paths:
      - path: /filter
        pathType: Prefix
        backend:
          service:
            name: filter-api
            port:
              number: 80