Little helper to run CNCF's k3s in Docker
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k3d/docs/index.md

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# Overview
![k3d](static/img/k3d_logo_black_blue.svg)
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k3d is a lightweight wrapper to run [k3s](https://github.com/rancher/k3s) (Rancher Lab's minimal Kubernetes distribution) in docker.
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k3d makes it very easy to create single- and multi-node [k3s](https://github.com/rancher/k3s) clusters in docker, e.g. for local development on Kubernetes.
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??? Tip "View a quick demo"
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## Learning
- [Rancher Meetup - May 2020 - Simplifying Your Cloud-Native Development Workflow With K3s, K3c and K3d (YouTube)](https://www.youtube.com/watch?v=hMr3prm9gDM)
- k3d demo repository: [iwilltry42/k3d-demo](https://github.com/iwilltry42/k3d-demo)
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## Requirements
- [docker](https://docs.docker.com/install/)
## Releases
| Platform | Stage | Version | Release Date | |
|-----------------|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------|---|
| [**GitHub Releases**](https://github.com/rancher/k3d/releases) | stable | [![GitHub release (latest by date)](https://img.shields.io/github/v/release/rancher/k3d?label=%20&style=for-the-badge&logo=github)](https://github.com/rancher/k3d/releases/latest) | [![GitHub Release Date](https://img.shields.io/github/release-date/rancher/k3d?label=%20&style=for-the-badge)](https://github.com/rancher/k3d/releases/latest) | |
| [**GitHub Releases**](https://github.com/rancher/k3d/releases) | latest | [![GitHub release (latest by date including pre-releases)](https://img.shields.io/github/v/release/rancher/k3d?include_prereleases&label=%20&style=for-the-badge&logo=github)](https://github.com/rancher/k3d/releases) | [![GitHub (Pre-)Release Date](https://img.shields.io/github/release-date-pre/rancher/k3d?label=%20&style=for-the-badge)](https://github.com/rancher/k3d/releases) | |
| [**Homebrew**](https://formulae.brew.sh/formula/k3d) | - | [![homebrew](https://img.shields.io/homebrew/v/k3d?label=%20&style=for-the-badge)](https://formulae.brew.sh/formula/k3d) | - | |
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## Installation
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You have several options there:
- use the install script to grab the latest release:
- wget: `#!bash wget -q -O - https://raw.githubusercontent.com/rancher/k3d/master/install.sh | bash`
- curl: `#!bash curl -s https://raw.githubusercontent.com/rancher/k3d/master/install.sh | bash`
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- use the install script to grab a specific release (via `TAG` environment variable):
- wget: `#!bash wget -q -O - https://raw.githubusercontent.com/rancher/k3d/master/install.sh | TAG=v3.0.0-beta.0 bash`
- curl: `#!bash curl -s https://raw.githubusercontent.com/rancher/k3d/master/install.sh | TAG=v3.0.0-beta.0 bash`
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- use [Homebrew](https://brew.sh): `#!bash brew install k3d` (Homebrew is available for MacOS and Linux)
- Formula can be found in [homebrew/homebrew-core](https://github.com/Homebrew/homebrew-core/blob/master/Formula/k3d.rb) and is mirrored to [homebrew/linuxbrew-core](https://github.com/Homebrew/linuxbrew-core/blob/master/Formula/k3d.rb)
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- install via [AUR](https://aur.archlinux.org/) package [rancher-k3d-bin](https://aur.archlinux.org/packages/rancher-k3d-bin/): `yay -S rancher-k3d-bin`
- grab a release from the [release tab](https://github.com/rancher/k3d/releases) and install it yourself.
- install via go: `#!bash go install github.com/rancher/k3d` (**Note**: this will give you unreleased/bleeding-edge changes)
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## Quick Start
Create a cluster named `mycluster` with just a single master node:
```bash
k3d create cluster mycluster
```
Get the new cluster's connection details merged into your default kubeconfig (usually specified using the `KUBECONFIG` environment variable or the default path `#!bash $HOME/.kube/config`) and directly switch to the new context:
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```bash
k3d get kubeconfig mycluster --switch
```
Use the new cluster with [`kubectl`](https://kubernetes.io/docs/tasks/tools/install-kubectl/), e.g.:
```bash
kubectl get nodes
```