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Creating a K3d Kubernetes Cluster

This how-to was written using the following versions:

Get K3d Kubernetes Cluster​

Install K3d​

Follow the instructions to install k3d on your system.

Create a K3d kubernetes cluster​

$ k3d cluster create epinio

Create a K3d kubernetes cluster when it is inside a VM​

Epinio has to connect to pods inside the cluster. The default installation uses the internal docker IP for this. If docker is running in a VM, e.g. with Docker Desktop for Mac, that IP will not be reachable.

As a workaround the IP of the host can be used instead, together with port-forwardings:

k3d cluster create epinio -p '80:80@loadbalancer' -p '443:443@loadbalancer'

After the command returns, kubectl should already be talking to your new cluster:

$ kubectl get nodes
NAME                  STATUS   ROLES                  AGE   VERSION
k3d-epinio-server-0   Ready    control-plane,master   38s   v1.22.6+k3s1

Install Epinio on the Cluster​

Follow "magic" DNS setup to define the domain name you will use for Epinio.

Then, continue with the Epinio installation process.

Troubleshooting​

Kubeconfig​

To get the kube config to access the cluster:

k3d kubeconfig get epinio

Traefik​

In case of trouble with Epinio's Traefik component or Ingress controllers, the Traefik section in the Advanced Topics document shall be your friend.