Update main.tf

Author: gene-redpanda

aws/main.tf

@@ -13,12 +13,14 @@ module "redpanda-cluster" {
   distro                 = var.distro
   hosts_file             = var.hosts_file
   subnets                = {
-    var.availability_zone = var.subnet_id
+    "broker" : {
+      "${var.availability_zone}" : var.subnet_id
+    }
   }
   tags                     = var.tags
   aws_region               = var.aws_region
   associate_public_ip_addr = var.associate_public_ip_addr
-  availability_zone        = var.availability_zone
+  availability_zone        = [var.availability_zone]
   client_count             = 1
   broker_instance_type     = var.instance_type
   client_instance_type     = var.instance_type
@@ -27,8 +29,8 @@ module "redpanda-cluster" {
 }
 
 variable "availability_zone" {
-  default = ["us-west-2a"]
-  type    = list(string)
+  default = "us-west-2a"
+  type    = string
 }
 
 variable "associate_public_ip_addr" {