apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-from-namespaces
  namespace: kubernetes-dashboard
spec:
  podSelector: {}
  ingress:
    - from:
      - podSelector: {}
    - from:
      - namespaceSelector:
          matchLabels:
            namespace: traefik
        podSelector:
          matchLabels:
            app: traefik
  policyTypes:
  - Ingress