replace count by for_each with declared set

terraform/projects/multiple-vm/main.tf

@@ -1,13 +1,13 @@
 module "pve_vm" {
-  source            = "../../modules/pve_vm"
-  count = 2
-  node_name         = "zenith"
-  vm_name           = "zenith-vm-${count.index + 1}"
-  vm_cpu            = 2
-  vm_ram            = 2048
-  vm_vlan           = 66
+  source    = "../../modules/pve_vm"
+  for_each  = var.node_list
+  node_name = each.value
+  vm_name   = "${each.value}-vm"
+  vm_cpu    = 2
+  vm_ram    = 2048
+  vm_vlan   = 66
 }
 
 output "vm_ip" {
-  value = module.pve_vm[*].vm_ip
+  value = { for k, v in module.pve_vm : "${k}-vm" => v.vm_ip }
 }

terraform/projects/multiple-vm/variables.tf

@@ -7,4 +7,10 @@ variable "proxmox_api_token" {
   description = "Proxmox API token"
   type        = string
   sensitive   = true
+}
+
+variable "node_list" {
+  description = "List of node names in the Proxmox cluster"
+  type        = set(string)
+  default     = ["apex", "vertex", "zenith"]
 }