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A lightweight kubernetes development setup

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k3d - k3s in docker

A lightweight alternative to KinD for local development. Read the introductory blog post. There is a more updated tool rancher/k3d which has more functionality than this tool and is written in go, I'd urge you to give it a try over this repo.

Install and run

  1. You need docker installed.
  2. Just run:
   curl -sSL | sudo bash -
   k3d create
  1. If you have rust toolchain installed, you can install it using:
    cargo install k3d && k3d create

Advantages over KinD

  1. Supports arm64 and armhf
  2. Fast boot time
  3. Supports starting and stopping without losing previous state
  4. Lightweight compared to KinD


Normal flow:

  1. k3d create
  2. export KUBECONFIG=$(k3d get-kubeconfig)
  3. kubectl get pods --all-namespaces
  4. If you want to delete the cluster do:
    k3d delete

If port 6443 is occupied you can specify a different port in first step:

k3d create -p 10001
. This will create a docker container named k3s_default with port 10001 exposed.

You can specify a different name for cluster with

k3s create -n 
, but then keep in mind to do
k3d get-kubeconfig -n 
when getting kubeconfig.
k3d 0.1.0
Rishabh Gupta 
Run k3s in Docker


FLAGS: -h, --help Prints help information -V, --version Prints version information

SUBCOMMANDS: check-tools Check docker running create Create a single node k3s server delete Delete cluster get-kubeconfig get kubeconfig.yaml location help Prints this message or the help of the given subcommand(s) list List all clusters start Start a stopped cluster stop Stop a cluster </r.g.gupta>

Next Steps

  1. One of the features I wanted to add is an insecure registry support. This can be done after k3s PR #248 is approved.
  2. Upgrade this to version 0.2.x of k3s

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