# Chat Server: allow ingress from ingress controller, egress to Redis, PostgreSQL, DNS
# WebSocket connections; depends on Redis for pub/sub
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: chat-server-allow
  namespace: veza-production
spec:
  podSelector:
    matchLabels:
      app: veza-chat-server
  policyTypes:
  - Ingress
  - Egress
  ingress:
  - from:
    - namespaceSelector:
        matchLabels:
          name: ingress-nginx
    ports:
    - protocol: TCP
      port: 8081
  - from:
    - podSelector: {}
    ports:
    - protocol: TCP
      port: 8081
  egress:
  - to:
    - ipBlock:
        cidr: 0.0.0.0/0
    ports:
    - protocol: TCP
      port: 5432
    - protocol: TCP
      port: 6379
  - to:
    - namespaceSelector:
        matchLabels:
          kubernetes.io/metadata.name: kube-system
    ports:
    - protocol: UDP
      port: 53