Quickly start k3d k8s cluster with Traefik dashboard

k8s-k3d.sh

#!/usr/bin/env bash

set -euxo pipefail

CLUSTER_NAME="dev"

k3d cluster delete --all

k3d cluster create "${CLUSTER_NAME}" \
  --port "8080:80@loadbalancer" --port "8443:443@loadbalancer" \
  --kubeconfig-update-default=false --wait

KUBECONFIG="$(k3d kubeconfig write ${CLUSTER_NAME})"
export KUBECONFIG

(
sleep 100
kubectl wait pod --namespace kube-system --for=condition=Ready --timeout=5m -l app.kubernetes.io/name=traefik
kubectl patch ingressroute -n kube-system traefik-dashboard --type=merge -p '{"spec":{"entryPoints":["web"]}}'
) &> /dev/null &

echo "*** export KUBECONFIG=\"\$(k3d kubeconfig write ${CLUSTER_NAME})\""
echo "*** http://localhost:8080/dashboard/"