*** PLEASE NOTE: This document applies to the HEAD of the source tree only. If you are using a released version of Kubernetes, you almost certainly want the docs that go with that version.

Documentation for specific releases can be found at [releases.k8s.io](http://releases.k8s.io). # Security Contexts A security context defines the operating system security settings (uid, gid, capabilities, SELinux role, etc..) applied to a container. See [security context design](../design/security_context.md) for more details. [![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/docs/user-guide/security-context.md?pixel)]()