Helm

Install

$ curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3
$ chmod 700 get_helm.sh
$ ./get_helm.sh

Nginx ingress controller

Install

helm upgrade --install ingress-nginx ingress-nginx \
  --repo https://kubernetes.github.io/ingress-nginx \
  --namespace ingress-nginx --create-namespace

Scale resources

helm upgrade --install ingress-nginx ingress-nginx \
  --repo https://kubernetes.github.io/ingress-nginx \
  --namespace ingress-nginx \
  --create-namespace \
  --set controller.resources.requests.cpu=200m \
  --set controller.resources.requests.memory=256Mi \
  --set controller.resources.limits.cpu=500m \
  --set controller.resources.limits.memory=512Mi