k3s: The lightweight k8s

k3s: The lightweight k8s

k3s is made by Rancher

• Removes legacy, alpha and non-default features
• Removes most plugins
• Adds sqlite3 as default configuration store
• Adds simple launcher
• Packages dependencies like containerd, flannel, CoreDNS, CNI

Demo: SSH into fresh VM

# Run k3s server
k3s server &
k3s kubectl get nodes

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k3d: k3s in Docker

k3d is made by Rancher

• Lightweight k3s distribution
• Prerequisites: Docker

Demo: Run on fresh Docker host

# Deploy k3s cluster
k3d create --name k3d --workers 3
export KUBECONFIG="$(k3d get-kubeconfig --name='k3d')"
kubectl cluster-info
docker ps