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# Kubernetes (K8s)
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[![GoPkg Widget]][GoPkg] [](https://bestpractices.coreinfrastructure.org/projects/569)
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< img src = "https://github.com/kubernetes/kubernetes/raw/master/logo/logo.png" width = "100" >
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----
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Kubernetes, also known as K8s, is an open source system for managing [containerized applications]
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across multiple hosts. It provides basic mechanisms for deployment, maintenance,
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and scaling of applications.
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Kubernetes builds upon a decade and a half of experience at Google running
production workloads at scale using a system called [Borg],
combined with best-of-breed ideas and practices from the community.
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Kubernetes is hosted by the Cloud Native Computing Foundation ([CNCF]).
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If your company wants to help shape the evolution of
technologies that are container-packaged, dynamically scheduled,
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and microservices-oriented, consider joining the CNCF.
For details about who's involved and how Kubernetes plays a role,
read the CNCF [announcement].
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----
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## To start using K8s
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See our documentation on [kubernetes.io].
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Try our [interactive tutorial].
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Take a free course on [Scalable Microservices with Kubernetes].
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To use Kubernetes code as a library in other applications, see the [list of published components ](https://git.k8s.io/kubernetes/staging/README.md ).
Use of the `k8s.io/kubernetes` module or `k8s.io/kubernetes/...` packages as libraries is not supported.
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## To start developing K8s
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The [community repository] hosts all information about
building Kubernetes from source, how to contribute code
and documentation, who to contact about what, etc.
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If you want to build Kubernetes right away there are two options:
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##### You have a working [Go environment].
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```
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mkdir -p $GOPATH/src/k8s.io
cd $GOPATH/src/k8s.io
git clone https://github.com/kubernetes/kubernetes
cd kubernetes
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make
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```
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##### You have a working [Docker environment].
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```
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git clone https://github.com/kubernetes/kubernetes
cd kubernetes
make quick-release
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```
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For the full story, head over to the [developer's documentation].
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## Support
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If you need support, start with the [troubleshooting guide],
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and work your way through the process that we've outlined.
That said, if you have questions, reach out to us
[one way or another][communication].
[announcement]: https://cncf.io/news/announcement/2015/07/new-cloud-native-computing-foundation-drive-alignment-among-container
[Borg]: https://research.google.com/pubs/pub43438.html
[CNCF]: https://www.cncf.io/about
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[communication]: https://git.k8s.io/community/communication
[community repository]: https://git.k8s.io/community
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[containerized applications]: https://kubernetes.io/docs/concepts/overview/what-is-kubernetes/
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[developer's documentation]: https://git.k8s.io/community/contributors/devel#readme
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[Docker environment]: https://docs.docker.com/engine
[Go environment]: https://golang.org/doc/install
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[GoPkg]: https://pkg.go.dev/k8s.io/kubernetes
[GoPkg Widget]: https://pkg.go.dev/badge/k8s.io/kubernetes.svg
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[interactive tutorial]: https://kubernetes.io/docs/tutorials/kubernetes-basics
[kubernetes.io]: https://kubernetes.io
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[Scalable Microservices with Kubernetes]: https://www.udacity.com/course/scalable-microservices-with-kubernetes--ud615
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[troubleshooting guide]: https://kubernetes.io/docs/tasks/debug-application-cluster/troubleshooting/