How to use ConfigMap configuration with Helm NginX Ingress controller – Kubernetes

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I’ve managed to display what YAML gets executed by Helm using the: --dry-run --debug options at the end of helm install command. Then I’ve noticed that there controller is executed with the: --configmap={namespace-where-the-nginx-ingress-is-deployed}/{name-of-the-helm-chart}-nginx-ingress-controller.
In order to load your ConfigMap you need to override it with your own (check out the namespace).

kind: ConfigMap
apiVersion: v1
metadata:
  name: {name-of-the-helm-chart}-nginx-ingress-controller
  namespace: {namespace-where-the-nginx-ingress-is-deployed}
data:
  proxy-read-timeout: "86400"
  proxy-body-size: "2g"
  use-http2: "false"

The list of config properties can be found here.

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