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Version: 3.9

Install NGINX Ingress Controller

Inspect the prerequisites and the main steps to perform for installing Install NGINX Ingress Controller on Kubernetes.

Prerequisites​

Installation​

To install the ingress-nginx chart, follow the steps below:

  1. Create an ingress-nginx namespace:

    kubectl create namespace ingress-nginx

  2. Add a chart repository:

    helm repo add ingress-nginx https://kubernetes.github.io/ingress-nginx
    helm repo update

  3. Install the ingress-nginx chart:

    helm install ingress ingress-nginx/ingress-nginx \
    --version 4.7.0 \
    --values values.yaml \
    --namespace ingress-nginx

    Check out the values.yaml file sample of the ingress-nginx chart customization:

View: values.yaml
controller:
  addHeaders:
    X-Content-Type-Options: nosniff
    X-Frame-Options: SAMEORIGIN
  resources:
    limits:
      memory: "256Mi"
    requests:
      cpu: "50m"
      memory: "128M"
  config:
    ssl-redirect: 'true'
    client-header-buffer-size: '64k'
    http2-max-field-size: '64k'
    http2-max-header-size: '64k'
    large-client-header-buffers: '4 64k'
    upstream-keepalive-timeout: '120'
    keep-alive: '10'
    use-forwarded-headers: 'true'
    proxy-real-ip-cidr: '172.32.0.0/16'
    proxy-buffer-size: '8k'

  # To watch Ingress objects without the ingressClassName field set parameter value to true.
  # https://kubernetes.github.io/ingress-nginx/#i-have-only-one-ingress-controller-in-my-cluster-what-should-i-do
  watchIngressWithoutClass: true

  service:
    type: NodePort
    nodePorts:
      http: 32080
      https: 32443
  updateStrategy:
    rollingUpdate:
      maxUnavailable: 1
    type: RollingUpdate
  metrics:
    enabled: true
defaultBackend:
  enabled: true
serviceAccount:
  create: true
  name: nginx-ingress-service-account
info

Align value controller.config.proxy-real-ip-cidr with your network settings.

note

It is also possible to install the ingress controller via cluster add-ons. For details, please refer to the Install via Add-Ons page.