refactor code structure

main.tf

@@ -1,28 +1,3 @@
-provider "azurerm" {
-  features {}
-}
-
-data "azurerm_resource_group" "resourcegroup" {
-  name     = "RaffaLab"
-}
-
-resource "azurerm_storage_account" "storageAccount" {
-  name                     = "storagemailnotifiersa"
-  resource_group_name      = data.azurerm_resource_group.resourcegroup.name
-  location                 = data.azurerm_resource_group.resourcegroup.location
-  account_tier             = "Standard"
-  account_replication_type = "RAGRS"
-}
-
-resource "azurerm_service_plan" "serviceplan" {
-  name                = "StorageMailNotifierSP"
-  resource_group_name = data.azurerm_resource_group.resourcegroup.name
-  location            = data.azurerm_resource_group.resourcegroup.location
-  os_type             = "Linux"
-  sku_name            = "Y1"
-}
-
-
 resource "azurerm_linux_function_app" "function" {
   name                = "storageMailNotifierFn"
   resource_group_name = data.azurerm_resource_group.resourcegroup.name

provider.tf

@@ -0,0 +1,3 @@
+provider "azurerm" {
+  features {}
+}

resource_group.tf

@@ -0,0 +1,3 @@
+data "azurerm_resource_group" "resourcegroup" {
+  name     = "RaffaLab"
+}

service_plan.tf

@@ -0,0 +1,7 @@
+resource "azurerm_service_plan" "serviceplan" {
+  name                = "StorageMailNotifierSP"
+  resource_group_name = data.azurerm_resource_group.resourcegroup.name
+  location            = data.azurerm_resource_group.resourcegroup.location
+  os_type             = "Linux"
+  sku_name            = "Y1"
+}

storage_account.tf

@@ -0,0 +1,7 @@
+resource "azurerm_storage_account" "storageAccount" {
+  name                     = "storagemailnotifiersa"
+  resource_group_name      = data.azurerm_resource_group.resourcegroup.name
+  location                 = data.azurerm_resource_group.resourcegroup.location
+  account_tier             = "Standard"
+  account_replication_type = "RAGRS"
+}