✨ Enhance module documentation with detailed descriptions for DNS, Foundry, Pangolin, and Public IP modules

modules/pangolin/variables.tf

@@ -1,20 +1,24 @@
 variable "location" {
-  type    = string
-  default = "westeurope"
+  description = "Azure region for all resources in this module."
+  type        = string
+  default     = "westeurope"
 }
 
 variable "environment" {
-  type    = string
-  default = "prod"
+  description = "Deployment environment label (e.g. 'prod', 'staging')."
+  type        = string
+  default     = "prod"
 }
 
 variable "instance" {
-  type    = string
-  default = "homelab"
+  description = "Instance identifier appended to resource names."
+  type        = string
+  default     = "homelab"
 }
 
 variable "tags" {
-  type = map(string)
+  description = "Tags applied to all Azure resources in this module."
+  type        = map(string)
   default = {
     project = "pangolin"
     env     = "prod"
@@ -22,47 +26,54 @@ variable "tags" {
 }
 
 variable "vm_name" {
-  type    = string
-  default = "pangolin-proxy"
+  description = "Name of the Azure Linux VM."
+  type        = string
+  default     = "pangolin-proxy"
 }
 
 variable "vm_size" {
-  type = string
-  default = "Standard_A2_v2"
+  description = "Azure VM size/SKU."
+  type        = string
+  default     = "Standard_A2_v2"
 }
 
 variable "admin_username" {
-  type = string
-  default = "azureuser"
+  description = "Admin SSH username for the VM."
+  type        = string
+  default     = "azureuser"
 }
 
 variable "ssh_pubkey" {
-  type = string
+  description = "SSH public key content for the admin user."
+  type        = string
 }
 
 variable "vnet_cidr_ipv4" {
-  type = string
-  default = "10.50.0.0/16"
+  description = "IPv4 address space for the virtual network."
+  type        = string
+  default     = "10.50.0.0/16"
 }
 
 variable "vnet_cidr_ipv6" {
-  type = string
-  default = "fd7d:bb99:1da4::/48"
+  description = "IPv6 address space for the virtual network."
+  type        = string
+  default     = "fd7d:bb99:1da4::/48"
 }
 
 variable "subnet_cidr_ipv4" {
-  type = string
-  default = "10.50.1.0/24"
+  description = "IPv4 CIDR for the VM subnet."
+  type        = string
+  default     = "10.50.1.0/24"
 }
 
-
 variable "subnet_cidr_ipv6" {
-  type = string
-  default = "fd7d:bb99:1da4:195::/64"
+  description = "IPv6 CIDR for the VM subnet."
+  type        = string
+  default     = "fd7d:bb99:1da4:195::/64"
 }
 
 variable "allowed_ssh_cidrs_ipv4" {
-  type = list(string)
   description = "IPv4 CIDRs allowed to SSH (22/tcp). Empty list means allow from anywhere."
-  default = []
+  type        = list(string)
+  default     = []
 }