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Kubernetes User Guide

The user guide is intended for anyone who wants to run programs and services on an existing Kubernetes cluster. Setup and administration of a Kubernetes cluster is described in the Cluster Admin Guide. The Developer Guide is for anyone wanting to either write code which directly accesses the kubernetes API, or to contribute directly to the kubernetes project.

Primary concepts

  • Overview (overview.md): A brief overview of Kubernetes concepts.

  • Nodes (node.md): A node is a worker machine in Kubernetes.

  • Pods (pods.md): A pod is a tightly-coupled group of containers with shared volumes.

  • The Life of a Pod (pod-states.md): Covers the intersection of pod states, the PodStatus type, the life-cycle of a pod, events, restart policies, and replication controllers.

  • Replication Controllers (replication-controller.md): A replication controller ensures that a specified number of pod "replicas" are running at any one time.

  • Services (services.md): A Kubernetes service is an abstraction which defines a logical set of pods and a policy by which to access them.

  • Volumes (volumes.md): A Volume is a directory, possibly with some data in it, which is accessible to a Container.

  • Labels (labels.md): Labels are key/value pairs that are attached to objects, such as pods. Labels can be used to organize and to select subsets of objects.

  • Secrets (secrets.md): A Secret stores sensitive data (e.g. ssh keys, passwords) separately from the Pods that use them, protecting the sensitive data from proliferation by tools that process pods.

  • Accessing the API and other cluster services via a Proxy accessing-the-cluster.md

  • API Overview (api.md): Pointers to API documentation on various topics and explanation of Kubernetes's approaches to API changes and API versioning.

  • Kubernetes Web Interface (ui.md): Accessing the Kubernetes web user interface.

  • Kubectl Command Line Interface (kubectl.md): The kubectl command line reference.

  • Sharing Cluster Access (sharing-clusters.md): How to share client credentials for a kubernetes cluster.

  • Roadmap (roadmap.md): The set of supported use cases, features, docs, and patterns that are required before Kubernetes 1.0.

  • Glossary (glossary.md): Terms and concepts.

Further reading

  • Annotations (annotations.md): Attaching arbitrary non-identifying metadata.

  • Downward API (downward_api.md): Accessing system configuration from a pod without accessing Kubernetes API (see also container-environment.md).

  • Kubernetes Container Environment (container-environment.md): Describes the environment for Kubelet managed containers on a Kubernetes node (see also downward_api.md).

  • DNS Integration with SkyDNS (dns.md): Resolving a DNS name directly to a Kubernetes service.

  • Identifiers (identifiers.md): Names and UIDs explained.

  • Images (images.md): Information about container images and private registries.

  • Logging (logging.md): Pointers to logging info.

  • Namespaces (namespaces.md): Namespaces help different projects, teams, or customers to share a kubernetes cluster.

  • Networking (networking.md): Pod networking overview.

  • Services and firewalls (services-firewalls.md): How to use firewalls.

  • The Kubernetes Resource Model (resources.md): Provides resource information such as size, type, and quantity to assist in assigning Kubernetes resources appropriately.

  • The API object documentation.

  • Frequently asked questions are answered on this project's wiki.

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