Cluster Networking
Ingress → Service → Pods, plus NetworkPolicy for east-west traffic.
Rendering…
Make it your own.
flowchart LR
Ext[External user] --> ING[Ingress controller]
ING --> SVC["Service<br/>(ClusterIP)"]
SVC --> P1[Pod replica 1]
SVC --> P2[Pod replica 2]
SVC --> P3[Pod replica 3]
P1 -- east-west --> SVC2[Service: backend]
P2 -- east-west --> SVC2
NP[NetworkPolicy\n'allow only frontend → backend:5432'] -.->|enforces| SVC2
P1 --> DNS[CoreDNS]
P2 --> DNS