Bonus

terraform/environments/dev/variables.tf

@@ -26,4 +26,10 @@ variable "instance_type" {
   type        = string
   description = "Type of the VM instance"
   default     = "e2-small"
+}
+
+variable "compute_instance_count" {
+  type        = number
+  description = "Number of VM instances to create"
+  default     = 2
 }