Services

When you deploy an application to Kubernetes, you work with three objects almost every time: Pods, Deployments, and Services. A Pod is the unit that runs your containers A Deployment manages a set of Pods and handles updates A Service gives your Pods a stable network address Understanding these three is the foundation for everything else in Kubernetes. Prerequisites: A running Kubernetes cluster. See Kubernetes Tutorial #2: Installing Kubernetes Locally. Pods — The Smallest Unit A Pod is the smallest deployable unit in Kubernetes. It wraps one or more containers that share the same network and storage. ...

Your music app needs to keep playing when the user switches to another app. Your fitness app needs to track location while the phone is in the user’s pocket. A download manager needs to stay alive until the file is complete. These are foreground services. They run long-running operations that the user is aware of, shown with a persistent notification. In this tutorial, you will learn how to build foreground services — service types, lifecycle, communication with the UI, and practical examples for music playback and location tracking. ...