# `helm list -A`
# `helm delete <OLD_INSTALLATION>`
apply() {
  helm repo add jetstack https://charts.jetstack.io
  helm repo add prometheus-community https://prometheus-community.github.io/helm-charts
  helm repo add karpenter https://awslabs.github.io/karpenter/charts
  helm repo update

  helm upgrade --install cert-manager jetstack/cert-manager \
    --create-namespace \
    --namespace cert-manager \
    --version v1.1.0 \