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nano np-default-deny-ingress.yaml

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: default-deny-ingress
  namespace: hse-production
spec:
  podSelector: {}
  policyTypes:
    - Ingress


kubectl apply -f np-default-deny-ingress.yaml

kubectl exec -n hse-production <FRONTEND_POD> -- wget -qO- --timeout=5 <BACKEND_IP>