Scale a web app manually

This sample script creates a resource group, an App Service plan, and a web app. It then scales the App Service plan from a single instance to multiple instances.

If you don't have an Azure subscription, create a free account before you begin.

Open Azure Cloud Shell

Azure Cloud Shell is a free, interactive shell that you can use to run the steps in this article. Common Azure tools are preinstalled and configured in Cloud Shell for you to use with your account. Just select the Copy button to copy the code, paste it in Cloud Shell, and then press Enter to run it. There are a few ways to open Cloud Shell:

Select Try It in the upper-right corner of a code block. Cloud Shell in this article
Open Cloud Shell in your browser. https://shell.azure.com/bash
Select the Cloud Shell button on the menu in the upper-right corner of the Azure portal. Cloud Shell in the portal

If you choose to install and use the CLI locally, you need Azure CLI version 2.0 or later. To find the version, run az --version. If you need to install or upgrade, see Install Azure CLI 2.0.

Sample script

#/bin/bash

# Variables
appName="AppServiceManualScale$random"
location="WestUS"

# Create a Resource Group
az group create --name myResourceGroup --location $location

# Create App Service Plans
az appservice plan create --name AppServiceManualScalePlan --resource-group myResourceGroup --location $location --sku B1

# Add a Web App
az webapp create --name $appName --plan AppServiceManualScalePlan --resource-group myResourceGroup

# Scale Web App to 2 Workers
az appservice plan update --number-of-workers 2 --name AppServiceManualScalePlan --resource-group myResourceGroup

Clean up deployment

After the sample script has been run, the following command can be used to remove the resource group and all resources associated with it.

az group delete --name myResourceGroup

Script explanation

This script uses the following commands to create a resource group, web app, and all related resources. Each command in the table links to command specific documentation.

Command Notes
az group create Creates a resource group in which all resources are stored.
az appservice plan create Creates an App Service plan.
az webapp create Creates an Azure web app.
az appservice plan update Updates properties of the App Service plan.

Next steps

For more information on the Azure CLI, see Azure CLI documentation.

Additional App Service CLI script samples can be found in the Azure App Service documentation.