The Guide to Kubernetes Labels

Kubernetes labels are key-value pairs that allow DevOps teams to organize cluster resources, perform in-cluster object searches, and apply bulk configuration changes.

Best practices include creating organization-wide label naming conventions, including required labels in pod templates, labeling cross-cutting concerns, and automating labeling.

However, labels should not store frequently changing data, store application-level semantics, or be used loosely without strict naming conventions.

Read the full version of this article at: https://blog.kubecost.com/blog/kubernetes-labels