Kubernetes

Disable swap

swapoff -a

Start Kubernetes

sudo kubeadm init

Set up kubectl

sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config && sudo chown $(id -u):$(id -g) $HOME/.kube/config

Remove taint for single node use

kubectl taint nodes --all node-role.kubernetes.io/control-plane-

Cilium

Install Cilium as a CNI

cilium install

Load Balancer

Install MetalLB for LoadBalancing

https://raw.githubusercontent.com/metallb/metallb/v0.13.5/config/manifests/metallb-native.yaml

kubectl apply -f infra/metallb/00-manifest.yml

Configure MetalLB

kubectl apply -f infra/metallb/01-configuration.yml

Traefik

https://doc.traefik.io/traefik/v2.8/user-guides/crd-acme/

Run Terraform-script

This will create a cert-storage StorageClass and a traefik-cert-pv PersistentVolume for use by Traefik before installing Traefik in the kube-system namespace using the official Traefik Helm chart which binds to the traefik-cert-pv PersistentVolume for persistent storage of certificates using the traefik PersistentVolumeClaim.

terraform init
terraform plan
terraform apply

Test application

If not already created with Terraform run

kubectl apply -f apps/whoami/00-whoami.yml

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