update readmes

Author: dak1n1

_examples/aks/README.md

@@ -9,7 +9,12 @@ You will need the following environment variables to be set:
   - `ARM_CLIENT_ID`
   - `ARM_CLIENT_SECRET`
 
-See [AWS Provider docs](https://www.terraform.io/docs/providers/aws/index.html#configuration-reference) for more details about these variables and alternatives, like `AWS_PROFILE`.
+Ensure that `KUBE_CONFIG_FILE` and `KUBE_CONFIG_FILES` environment variables are NOT set, as they will interfere with the cluster build.
+
+```
+unset KUBE_CONFIG_FILE
+unset KUBE_CONFIG_FILES
+```
 
 To install the AKS cluster using default values, run terraform init and apply from the directory containing this README.
 

_examples/aks/aks-cluster/main.tf

@@ -13,7 +13,6 @@ resource "azurerm_kubernetes_cluster" "test" {
     name       = "default"
     node_count = 1
     vm_size    = "Standard_DS2_v2"
-    #vm_size    = "Standard_A2_v2"
   }
 
   identity {

_examples/eks/README.md

@@ -9,6 +9,13 @@ You will need the following environment variables to be set:
 
 See [AWS Provider docs](https://www.terraform.io/docs/providers/aws/index.html#configuration-reference) for more details about these variables and alternatives, like `AWS_PROFILE`.
 
+Ensure that `KUBE_CONFIG_FILE` and `KUBE_CONFIG_FILES` environment variables are NOT set, as they will interfere with the cluster build.
+
+```
+unset KUBE_CONFIG_FILE
+unset KUBE_CONFIG_FILES
+```
+
 To install the EKS cluster using default values, run terraform init and apply from the directory containing this README.
 
 ```

_examples/gke/README.md

@@ -18,6 +18,13 @@ GOOGLE_PROJECT=my-gcp-project
 
 See [Google Provider docs](https://registry.terraform.io/providers/hashicorp/google/latest/docs/guides/provider_reference#full-reference) for more details about these variables.
 
+Ensure that `KUBE_CONFIG_FILE` and `KUBE_CONFIG_FILES` environment variables are NOT set, as they will interfere with the cluster build.
+
+```
+unset KUBE_CONFIG_FILE
+unset KUBE_CONFIG_FILES
+```
+
 To install the GKE cluster using default values, run terraform init and apply from the directory containing this README.
 
 ```