A city Service shows no Endpoints even though Pods are Running. What is the most common configuration cause?
Select an answer to reveal the explanation.
Short Explanation
Services pick teammates by jersey numbers (labels)—if the selector says blue-7 and the Pods wear red-9, the roster stays empty. Match the labels, get the Endpoints.
Full Explanation
Endpoints (or EndpointSlices) are built from Pods matching the Service selector. Label mismatches yield empty backends despite Running Pods. PVCs, scaling CoreDNS to zero, and ExternalName are unrelated to populating selectors for ClusterIP/NodePort/LoadBalancer Services.