Add App Setting for Functions

Author: marvinbuss

code/infra/function.tf

@@ -121,6 +121,10 @@ resource "azapi_resource" "function" {
             name  = "WEBSITE_CONTENTOVERVNET"
             value = "1"
           },
+          {
+            name  = "WEBSITE_OS_TYPE"
+            value = azurerm_service_plan.service_plan.os_type
+          },
           {
             name  = "WEBSITE_RUN_FROM_PACKAGE"
             value = "0"