Scale a web app manually using PowerShell

In this scenario you will learn to create a resource group, app service plan and web app. You will then scale the App Service Plan from a single instance to multiple instances.

If needed, install the Azure PowerShell using the instruction found in the Azure PowerShell guide, and then run Connect-AzAccount to create a connection with Azure.

Sample script

Note

This article has been updated to use the new Azure PowerShell Az module. You can still use the AzureRM module, which will continue to receive bug fixes until at least December 2020. To learn more about the new Az module and AzureRM compatibility, see Introducing the new Azure PowerShell Az module. For Az module installation instructions, see Install Azure PowerShell.


# Generates a Random Value
$Random=(New-Guid).ToString().Substring(0,8)

# Variables
$ResourceGroupName="myResourceGroup$random"
$AppName="AppServiceManualScale$random"
$Location="WestUS"

# Create a Resource Group
New-AzResourceGroup -Name $ResourceGroupName -Location $Location

# Create an App Service Plan
New-AzAppservicePlan -Name AppServiceManualScalePlan -ResourceGroupName $ResourceGroupName -Location $Location -Tier Basic

# Create a Web App in the App Service Plan
New-AzWebApp -Name $AppName -ResourceGroupName $ResourceGroupName -Location $Location -AppServicePlan AppServiceManualScalePlan

# Scale Web App to 2 Workers
Set-AzAppServicePlan -NumberofWorkers 2 -Name AppServiceManualScalePlan -ResourceGroupName $ResourceGroupName

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 $ResourceGroupName -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.
Set-AzWebApp Modifies a web app's configuration.

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.