# Content Cache K8s charm > Documentation for the Content Cache K8s charm, a Juju operator that deploys and manages an NGINX caching reverse proxy on Kubernetes to cache HTTP and HTTPS web sites and build content delivery networks. 2026 ## Pages in this subsection - [Reference](https://canonical.com/juju/docs/content-cache-k8s-charm/latest/reference/index.html.md): Technical reference documentation for the Content Cache K8s charm, including actions, configurations, and architecture. - [Actions](https://canonical.com/juju/docs/content-cache-k8s-charm/latest/reference/actions/index.html.md): See Actions. - [Configurations](https://canonical.com/juju/docs/content-cache-k8s-charm/latest/reference/configurations/index.html.md): See Configurations. - [Relation endpoints](https://canonical.com/juju/docs/content-cache-k8s-charm/latest/reference/integrations/index.html.md): This section provides details on the available relation endpoints. - [Charm architecture](https://canonical.com/juju/docs/content-cache-k8s-charm/latest/reference/charm-architecture/index.html.md): At its core, Content-cache-k8s is a NGINX cache application that helps another charm serving static ... - [External access](https://canonical.com/juju/docs/content-cache-k8s-charm/latest/reference/external-access/index.html.md): This charm requires external access only if it’s configured to ## Optional - [Top-level llms.txt](https://canonical.com/juju/docs/content-cache-k8s-charm/latest/llms.txt): Complete documentation index.