# Karpenter

> Just-in-time Nodes for Any Kubernetes Cluster


## Getting Started
- [Getting Started with Karpenter](https://karpenter.sh/docs/getting-started/getting-started-with-karpenter/index.md): Set up a cluster and add Karpenter
- [Migrating from Cluster Autoscaler](https://karpenter.sh/docs/getting-started/migrating-from-cas/index.md): Migrate to Karpenter from Cluster Autoscaler

## Concepts
- [NodeClasses](https://karpenter.sh/docs/concepts/nodeclasses/index.md): Configure AWS-specific settings with EC2NodeClasses
- [NodePools](https://karpenter.sh/docs/concepts/nodepools/index.md): Configure Karpenter with NodePools
- [NodeClaims](https://karpenter.sh/docs/concepts/nodeclaims/index.md): Understand NodeClaims
- [NodeOverlays](https://karpenter.sh/docs/concepts/nodeoverlays/index.md): Understand NodeOverlays and how they enable fine-tuning of Karpenter's scheduling simulation for advanced use cases.
- [Scheduling](https://karpenter.sh/docs/concepts/scheduling/index.md): Learn about scheduling workloads with Karpenter
- [Disruption](https://karpenter.sh/docs/concepts/disruption/index.md): Understand different ways Karpenter disrupts nodes

## Tasks
- [Managing AMIs](https://karpenter.sh/docs/tasks/managing-amis/index.md): Task for managing AMIs in Karpenter
- [Utilizing On-Demand Capacity Reservations and Capacity Blocks](https://karpenter.sh/docs/tasks/odcrs/index.md)

## Upgrading
- [Upgrade Guide](https://karpenter.sh/docs/upgrading/upgrade-guide/index.md): Learn about upgrading Karpenter
- [Compatibility](https://karpenter.sh/docs/upgrading/compatibility/index.md): Compatibility issues for Karpenter

## Contributing
- [Community Meetings](https://karpenter.sh/docs/contributing/community-meetings/index.md): Join the Karpenter Community Meetings
- [Design Guide](https://karpenter.sh/docs/contributing/design-guide/index.md): Read this before making large changes to Karpenter
- [Documentation Updates](https://karpenter.sh/docs/contributing/documentation-updates/index.md): Information helpful for contributing simple documentation updates.
- [Development Guide](https://karpenter.sh/docs/contributing/development-guide/index.md): Set up a Karpenter development environment

## Reference
- [CloudFormation](https://karpenter.sh/docs/reference/cloudformation/index.md): A description of the Getting Started CloudFormation file and permissions
- [Settings](https://karpenter.sh/docs/reference/settings/index.md): Configure Karpenter
- [Metrics](https://karpenter.sh/docs/reference/metrics/index.md): Inspect Karpenter Metrics
- [Instance Types](https://karpenter.sh/docs/reference/instance-types/index.md): Evaluate Instance Type Resources
- [Threat Model](https://karpenter.sh/docs/reference/threat-model/index.md)


## Versions

The links above point at the current stable release (v1.13), served under the `https://karpenter.sh/docs/` path. The same documentation is archived for other releases under a version-prefixed path. To read any page for a specific version, replace the `/docs/` prefix in its URL with the version prefix below (and append `index.md` for the Markdown form).

Available versions:
- https://karpenter.sh/docs/ : current stable release (v1.13)
- https://karpenter.sh/v1.13/ : the v1.13 release
- https://karpenter.sh/v1.12/ : the v1.12 release
- https://karpenter.sh/v1.11/ : the v1.11 release
- https://karpenter.sh/v1.0/ : the v1.0 release