This guide demonstrates how to use the Fabric8 Kubernetes Java client to load, create, retrieve, update, scale, watch, and delete ReplicationController, ConfigMap, and Secret resources, providing complete code examples and step‑by‑step commands for managing these objects across namespaces in a Kubernetes cluster.
This article walks through the entire lifecycle of deploying an application on Kubernetes, explaining how Docker containers differ from virtual machines, the role of Pods, ReplicationControllers, Deployments, and how automatic scaling with HPA and VPA keeps services reliable and efficient.
The author explores Kubernetes by reading "Kubernetes in Action", uncovering why pods are the smallest deployable unit, how ReplicationControllers maintain desired replica counts, and how Services provide stable access, while emphasizing a problem‑first, think‑first approach to mastering the platform.
Through a charming story of a curious daughter and her father's illustrated guide, the article introduces Kubernetes concepts such as pods, replication controllers, services, volumes, and namespaces, using the adventures of a PHP app named Phippy to make complex container orchestration easy to understand.
This article provides a comprehensive overview of Kubernetes, covering its definition, primary functions, core concepts such as Pods, Services, Replication Controllers and Labels, and detailed explanations of master components, Kubelet, and Proxy within the cloud‑native container orchestration ecosystem.
