# gopkg charm > This is the documentation for gopkg-k8s, a Kubernetes charm that deploys and operates the gopkg.in versioned import-path service with a 12-factor workflow. 2026 ## Pages in this subsection - [How to integrate with COS Lite](https://canonical.com/juju/docs/gopkg-charm/latest/how-to/integrate-with-cos/index.html.md): Connect gopkg-k8s to COS Lite (Prometheus, Loki, and Grafana), verify that its metrics are scraped, and keep the metrics endpoint off the public hostname. ## Optional - [Top-level llms.txt](https://canonical.com/juju/docs/gopkg-charm/latest/llms.txt): Complete documentation index.