Pods, Kubernetes Authors, 2024 - Provides the official and most up-to-date information on Kubernetes Pods, including their lifecycle, structure, and declarative definition via manifests.
Kubernetes API Concepts, Kubernetes Authors, 2024 - Explains the fundamental structure of all Kubernetes API objects, detailing the purpose of apiVersion, kind, metadata, and spec fields.
Kubernetes in Action, Marko Lukša, 2017 (Manning Publications) - Offers a comprehensive introduction to Kubernetes, with dedicated chapters explaining Pods, YAML manifests, and the declarative approach to resource management.