Create an App Service app and deploy Private Endpoint using PowerShell

Grein
12/06/2022

This sample script creates an app in App Service with its related resources, and then deploys a Private Endpoint.

Azure Cloud Shell

Azure hosts Azure Cloud Shell, an interactive shell environment that you can use through your browser. You can use either Bash or PowerShell with Cloud Shell to work with Azure services. You can use the Cloud Shell preinstalled commands to run the code in this article, without having to install anything on your local environment.

To start Azure Cloud Shell:

Option	Example/Link
Select Try It in the upper-right corner of a code or command block. Selecting Try It doesn't automatically copy the code or command to Cloud Shell.
Go to https://shell.azure.com, or select the Launch Cloud Shell button to open Cloud Shell in your browser.
Select the Cloud Shell button on the menu bar at the upper right in the Azure portal.

To use Azure Cloud Shell:

Start Cloud Shell.
Select the Copy button on a code block (or command block) to copy the code or command.
Paste the code or command into the Cloud Shell session by selecting Ctrl+Shift+V on Windows and Linux, or by selecting Cmd+Shift+V on macOS.
Select Enter to run the code or command.

Sample script

# Parameters
$sitename="mywebapp-$(Get-Random)"
$appserviceplanname="ASP-"+$sitename
$resourcegroupname="RG-"+$sitename
$VNetname="VNet-$(Get-Random)"
$location="francecentral"
$privateendpointsubnetname = "privateEndpointSubnet"

# Create a resource group.
New-AzResourceGroup -Name $resourcegroupname -Location $location

# Create an App Service plan in PremiumV2 tier.
$asp = New-AzAppServicePlan -Name $appserviceplanname `
-Location $location `
-ResourceGroupName $resourcegroupname `
-Tier PremiumV2 `
-NumberofWorkers 1 `
-WorkerSize Small

# Create a web app.
$webApp = New-AzWebApp -Name $sitename `
-Location $location `
-AppServicePlan $appserviceplanname `
-ResourceGroupName $resourcegroupname

# Create a Virtual Network with two subnets
$integrationsubnet = New-AzVirtualNetworkSubnetConfig -Name "integrationSubnet" `
-AddressPrefix "10.8.1.0/24"

$privateendpointsubnet = New-AzVirtualNetworkSubnetConfig -Name $privateendpointsubnetname `
-AddressPrefix "10.8.2.0/24" `
-PrivateEndpointNetworkPoliciesFlag Disabled

$virtualNetwork = New-AzVirtualNetwork -Name $VNetname `
-ResourceGroupName $resourcegroupname `
-Location $location -AddressPrefix "10.8.0.0/16" `
-Subnet $integrationsubnet,$privateendpointsubnet

# Configure the Private Endpoint
$privateEndPointConnection = New-AzPrivateLinkServiceConnection -Name "myPrivateEndpointconnection" `
-PrivateLinkServiceID $webApp.Id `
-GroupId sites

$subnet = $virtualNetwork | select -ExpandProperty subnets | Where-Object {$_.Name -eq $privateendpointsubnetname}

$privateEndpoint = New-AzPrivateEndpoint -Name "myPrivateEndpoint" `
-ResourceGroupName $resourcegroupname `
-Location $location `
-Subnet $subnet `
-PrivateLinkServiceConnection $privateEndPointConnection

# Configure the Private DNS zone
$dnsZone = New-AzPrivateDnsZone -Name "privatelink.azurewebsites.net" `
-ResourceGroupName $resourcegroupname

$dnsLink = New-AzPrivateDnsVirtualNetworkLink -Name "myDNSLink" `
-ResourceGroupName $resourcegroupname `
-ZoneName "privatelink.azurewebsites.net" `
-VirtualNetworkId $virtualNetwork.Id

$dnsConfig = New-AzPrivateDnsZoneConfig -Name "privatelink.azurewebsites.net" `
-PrivateDnsZoneId $dnsZone.ResourceId

$dnsZoneGroup = New-AzPrivateDnsZoneGroup -Name "myZoneGroup" `
-ResourceGroupName $resourcegroupname `
-PrivateEndpointName $privateEndpoint.Name `
-PrivateDnsZoneConfig $dnsConfig

Clean up deployment

After the script sample has been run, the following command can be used to remove the resource group, web app, and all related resources.

Remove-AzResourceGroup -Name myResourceGroup -Force

Script explanation

This script uses the following commands. Each command in the table links to command specific documentation.

Command	Notes
New-AzResourceGroup	Creates a resource group in which all resources are stored.
New-AzAppServicePlan	Creates an App Service plan.
New-AzWebApp	Creates a web app.
New-AzVirtualNetworkSubnetConfig	Creates a virtual network subnet configuration.
New-AzVirtualNetwork	Creates a virtual network.
New-AzPrivateLinkServiceConnection	Creates a private link service connection configuration.
New-AzPrivateEndpoint	Creates a private endpoint.
New-AzPrivateDnsZone	Creates a new private DNS zone.
New-AzPrivateDnsVirtualNetworkLink	Creates a new private DNS virtual network link.
New-AzPrivateDnsZoneConfig	Creates DNS zone configuration of the private dns zone group.
New-AzPrivateDnsZoneGroup	Creates a private DNS zone group in the specified private endpoint.

Next steps

For more information on the Azure PowerShell module, see Azure PowerShell documentation.
Additional Azure PowerShell samples for Azure App Service Web Apps can be found in the Azure PowerShell samples.

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