deny-traffic-from-other-namespaces.yaml

# deny traffic to pods in this namespace from pods
# in other namespaces
kind: NetworkPolicy
apiVersion: networking.k8s.io/v1
metadata:
  name: deny-traffic-from-other-namespaces
spec:
  policyTypes:
    - Ingress
  podSelector:
    matchLabels: {}
  ingress:
  - from:
    - podSelector: {}