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This article shows you how to scale your app in Azure App Service. There are two workflows for scaling, scale up and scale out, and this article explains the scale up workflow.
Important
App Service offers an automatic scale-out option to handle varying incoming HTTP requests.
The scale settings take only seconds to apply and affect all apps in your App Service plan. They don't require you to change your code or redeploy your application.
For information about the pricing and features of individual App Service plans, see App Service Pricing Details.
Note
Before you switch an App Service plan from the Free tier, you must first remove the spending limits in place for your Azure subscription. To view or change options for your App Service subscription, see Cost Management + Billing in the Azure portal.
Note
To scale up to Premium V3 tier, see Configure Premium V3 tier for App Service.
In your browser, open the Azure portal.
In the left navigation of your App Service app page, select Scale up (App Service plan).
Select one of the pricing tiers and select Select.
When the operation is complete, you see a notification pop-up with a green success check mark.
If your app depends on other services, such as Azure SQL Database or Azure Storage, you can scale up these resources separately. These resources aren't managed by the App Service plan.
In the Overview page for your app, select the Resource group link.
On the Overview page for the resource group, select a resource that you want to scale. The following screenshot shows a SQL Database resource.
To scale up the related resource, see the documentation for the specific resource type. For example, to scale up a single SQL database, see Scale single database resources in Azure SQL Database. To scale up an Azure Database for MySQL resource, see Scale Azure Database for MySQL resources.
For detailed information, such as VM sizes for each pricing tier, see App Service Pricing Details.
For a table of service limits, quotas, and constraints, and supported features in each tier, see App Service limits.
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