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Terraform Secure Backend Frontend
Home / Scan #48 / Terraform Secure Backend Frontend
Sad Tux - Windows bias detected
This page contains Windows bias

About This Page

This page is part of the Azure documentation. It contains code examples and configuration instructions for working with Azure services.
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Bias Analysis

Detected Bias Types
windows_first
missing_linux_example
windows_tools
Summary
The documentation page demonstrates a bias towards Windows by exclusively using Windows-based App Service resources (azurerm_windows_web_app, os_type: Windows) in the Terraform examples. There are no examples or mentions of Linux-based web apps (azurerm_linux_web_app, os_type: Linux), nor any guidance on deploying Linux workloads. The documentation also references Windows-specific service plans and omits Linux equivalents, which may mislead users into thinking only Windows is supported or recommended.
Recommendations
  • Include parallel examples using azurerm_linux_web_app and os_type: Linux to demonstrate Linux parity.
  • Mention that both Windows and Linux App Service plans are supported and provide guidance for choosing between them.
  • Add notes or sections highlighting differences and considerations for Linux-based deployments (e.g., app settings, runtime support).
  • Ensure that any referenced tools, scripts, or commands are cross-platform or provide Linux alternatives where applicable.
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Scan History

Date Scan Status Result
2026-01-12 00:00 #99 completed Clean Clean
2026-01-11 06:20 #98 completed Clean Clean
2026-01-11 00:00 #95 cancelled Clean Clean
2026-01-10 00:00 #92 completed Clean Clean
2026-01-09 00:00 #87 cancelled Clean Clean
2026-01-06 22:28 #78 completed Clean Clean
2025-12-29 18:00 #48 cancelled Biased Biased
2025-12-22 00:00 #24 cancelled Clean Clean
2025-12-15 00:00 #7 completed Clean Clean
2025-12-14 05:05 #6 completed Clean Clean

Flagged Code Snippets

terraform {
  required_providers {
    azurerm = {
      source = "hashicorp/azurerm"
      version = "~>3.0"
    }
  }
}
provider "azurerm" {
  features {}
}

resource "azurerm_resource_group" "rg" {
  name     = "appservice-rg"
  location = "francecentral"
}

resource "azurerm_virtual_network" "vnet" {
  name                = "vnet"
  location            = azurerm_resource_group.rg.location
  resource_group_name = azurerm_resource_group.rg.name
  address_space       = ["10.0.0.0/16"]
}

resource "azurerm_subnet" "integrationsubnet" {
  name                 = "integrationsubnet"
  resource_group_name  = azurerm_resource_group.rg.name
  virtual_network_name = azurerm_virtual_network.vnet.name
  address_prefixes     = ["10.0.1.0/24"]
  delegation {
    name = "delegation"
    service_delegation {
      name = "Microsoft.Web/serverFarms"
    }
  }
}

resource "azurerm_subnet" "endpointsubnet" {
  name                 = "endpointsubnet"
  resource_group_name  = azurerm_resource_group.rg.name
  virtual_network_name = azurerm_virtual_network.vnet.name
  address_prefixes     = ["10.0.2.0/24"]
  private_endpoint_network_policies_enabled = true
}

resource "azurerm_service_plan" "appserviceplan" {
  name                = "appserviceplan"
  location            = azurerm_resource_group.rg.location
  resource_group_name = azurerm_resource_group.rg.name
  os_type             = "Windows"
  sku_name            = "P1v2"
}

resource "azurerm_windows_web_app" "frontwebapp" {
  name                = "<unique-frontend-app-name>"
  location            = azurerm_resource_group.rg.location
  resource_group_name = azurerm_resource_group.rg.name
  service_plan_id = azurerm_service_plan.appserviceplan.id

  site_config {}
  app_settings = {
    "WEBSITE_DNS_SERVER": "168.63.129.16",
    "WEBSITE_VNET_ROUTE_ALL": "1"
  }
}

resource "azurerm_app_service_virtual_network_swift_connection" "vnetintegrationconnection" {
  app_service_id  = azurerm_windows_web_app.frontwebapp.id
  subnet_id       = azurerm_subnet.integrationsubnet.id
}

resource "azurerm_windows_web_app" "backwebapp" {
  name                = "<unique-backend-app-name>"
  location            = azurerm_resource_group.rg.location
  resource_group_name = azurerm_resource_group.rg.name
  service_plan_id = azurerm_service_plan.appserviceplan.id

  site_config {}
}

resource "azurerm_private_dns_zone" "dnsprivatezone" {
  name                = "privatelink.azurewebsites.net"
  resource_group_name = azurerm_resource_group.rg.name
}

resource "azurerm_private_dns_zone_virtual_network_link" "dnszonelink" {
  name = "dnszonelink"
  resource_group_name = azurerm_resource_group.rg.name
  private_dns_zone_name = azurerm_private_dns_zone.dnsprivatezone.name
  virtual_network_id = azurerm_virtual_network.vnet.id
}

resource "azurerm_private_endpoint" "privateendpoint" {
  name                = "backwebappprivateendpoint"
  location            = azurerm_resource_group.rg.location
  resource_group_name = azurerm_resource_group.rg.name
  subnet_id           = azurerm_subnet.endpointsubnet.id

  private_dns_zone_group {
    name = "privatednszonegroup"
    private_dns_zone_ids = [azurerm_private_dns_zone.dnsprivatezone.id]
  }

  private_service_connection {
    name = "privateendpointconnection"
    private_connection_resource_id = azurerm_windows_web_app.backwebapp.id
    subresource_names = ["sites"]
    is_manual_connection = false
  }
}