diff --git a/terraform/clouds/aws/variables.tf b/terraform/clouds/aws/variables.tf
index 856be4b..dabea82 100644
--- a/terraform/clouds/aws/variables.tf
+++ b/terraform/clouds/aws/variables.tf
@@ -1,55 +1,55 @@
 variable "cluster_name" {
-    type = string
-    default = "plural"
+  type    = string
+  default = "plural"
 }
 
 variable "db_name" {
-  type = string
+  type    = string
   default = ""
 }
 
 variable "create_db" {
-  type = bool
+  type    = bool
   default = true
 }
 
 variable "kubernetes_version" {
-    type = string
-    default = "1.27"
+  type    = string
+  default = "1.27"
 }
 
 variable "public" {
-    type = bool
-    default = true
+  type    = bool
+  default = true
 }
 
 variable "vpc_name" {
-    type = string
-    default = "plural"
+  type    = string
+  default = "plural"
 }
 
 variable "vpc_cidr" {
-    type = string
-    default = "10.0.0.0/16"
+  type    = string
+  default = "10.0.0.0/16"
 }
 
 variable "private_subnets" {
-    type = string
-    default = ["10.0.1.0/20", "10.0.2.0/20", "10.0.3.0/20"]
+  type    = list(string)
+  default = ["10.0.1.0/20", "10.0.2.0/20", "10.0.3.0/20"]
 }
 
 variable "public_subnets" {
-    type = string
-    default = ["10.0.101.0/24", "10.0.102.0/24", "10.0.103.0/24"]
+  type    = list(string)
+  default = ["10.0.101.0/24", "10.0.102.0/24", "10.0.103.0/24"]
 }
 
 variable "deletion_protection" {
-  type = bool
+  type    = bool
   default = true
 }
 
 variable "db_instance_class" {
-    default = "db.t4g.large"
+  default = "db.t4g.large"
 }
 
 variable "node_group_defaults" {