Error: Kubernetes cluster unreachable: invalid configuration: no configuration has been provided, try setting KUBERNETES MASTER environment variable

helm_release.example: Creating...

Error: Kubernetes cluster unreachable: invalid configuration: no configuration has been provided, try setting KUBERNETES_MASTER environment variable

  with helm_release.example,
  on redis.tf line 1, in resource "helm_release" "example":
   1: resource "helm_release" "example" {

• helm_release
• Terraform Helm, helm_release, helm_template