add boolean empty directory value

eks-cluster-autoscaler.tf

+data "aws_region" "current" {}
+
 resource "kubernetes_deployment" "aws_cluster_autoscaler_deployment" {
   metadata {
     name      = "aws-cluster-autoscaler"
@@ -43,7 +45,8 @@ resource "kubernetes_deployment" "aws_cluster_autoscaler_deployment" {
         }
 
         volume {
-          name = "autoscaler-ssl-volume"
+          name      = "autoscaler-ssl-volume"
+          empty_dir = ["true"]
         }
 
         container {
@@ -82,7 +85,7 @@ resource "kubernetes_deployment" "aws_cluster_autoscaler_deployment" {
 
           env {
             name  = "AWS_REGION"
-            value = "us-east-1"
+            value = "${data.aws_region.current.name}"
           }
         }
       }