Added module code.

variables.tf

@@ -0,0 +1,81 @@
+variable "rg_name" {
+  type = string
+}
+
+variable "location" {
+  type = string
+}
+
+variable "storage_account_base_name" {
+  type    = string
+  default = null
+}
+
+variable "storage_account_name" {
+  type    = string
+  default = null
+
+  validation {
+    condition = (
+      (var.storage_account_name != null && trimspace(var.storage_account_name) != "") ||
+      (var.storage_account_base_name != null && trimspace(var.storage_account_base_name) != "")
+    )
+    error_message = "Provide storage_account_name or storage_account_base_name with a non-empty value."
+  }
+}
+
+variable "account_tier" {
+  type    = string
+  default = "Standard"
+}
+
+variable "account_replication_type" {
+  type    = string
+  default = "LRS"
+}
+
+variable "allow_nested_items_to_be_public" {
+  type    = bool
+  default = false
+}
+
+variable "public_network_access_enabled" {
+  type    = bool
+  default = true
+}
+
+variable "tags" {
+  type    = map(string)
+  default = {}
+
+  description = "A map of tags to apply to the storage account resource."
+}
+
+variable "containers" {
+  type = map(object({
+    name                  = string
+    container_access_type = string
+  }))
+
+  default = {}
+
+  # Separate validations to provide specific error messages for each condition
+  validation {
+    condition = alltrue([
+      for container in values(var.containers) : (
+        container.name != null &&
+        trimspace(container.name) != ""
+      )
+    ])
+    error_message = "container name must be a non-empty string."
+  }
+
+  validation {
+    condition = alltrue([
+      for container in values(var.containers) :
+      contains(["private", "blob", "container"], container.container_access_type)
+    ])
+
+    error_message = "container_access_type must be one of 'private', 'blob', or 'container'."
+  }
+}