Azure App Service Backup and Scaling

Azure App Service provides a streamlined way to back up and restore your applications, which is simpler compared to traditional virtual machine backups. The App Service backup feature allows you to create backups that include various critical components of your application.

Backup Features

When you create a backup of your Azure App Service, it will contain the following information:

  1. App Configuration:
    • Settings and configurations specific to your app.
  2. File Content:
    • Files uploaded or created within your app’s directory.
  3. Database:
    • Optionally, you can include the database connected to your app.

Backup Methods

There are several ways to take backups in Azure App Service:

  • Manual Backup: You can initiate a backup process at any time through the Azure portal.
  • Automated Backup: Set up scheduled backups to occur at specific intervals without manual intervention.
  • Partial Backup: Back up only selected components if necessary.

Storage and Restoration

  • Backups are stored in an Azure Storage account.
  • Restoration options allow you to:
    • Restore your app and its linked database to a previous state using the backup.
    • Create a new app using the backup.

Note: Backup and restoration features are available only for apps running in the Standard and Premium tiers.


Azure App Service Scaling

Scaling your Azure App Service can help manage performance and resource availability based on the demands of your applications. There are two main ways to scale:

1. Scale-Up

  • Description: Increase the resources available to your app by selecting a higher pricing tier.
  • Benefits:
    • More CPU, memory, and disk space.
    • Access to additional features like dedicated virtual machines, custom domains, SSL certificates, and staging slots.

2. Scale-Out

  • Description: Increase the number of VM instances running your app.
  • Benefits:
    • Scale out to any number of instances based on your pricing tier.
    • For App Service Environments in an isolated tier, scale out to up to 100 instances.

Auto-Scaling

Auto-scaling is a crucial feature that allows your app service to adjust resources based on demand. You can configure scaling in several ways:

  • Automatically: Based on predefined rules and metrics.
  • Manually: Scale the service as needed.
  • Pre-set Metrics: Use specific metrics to trigger scaling actions.
  • Scheduled Scaling: Set scaling actions to occur at specific times.

Scaling the App Service Using Azure Portal

Here are the steps to scale your app service using the Azure Portal:

Step 1: Open Your App Service

  • Navigate to the Azure portal and open your existing app service or create a new one.

Step 2: Scale-Up

  • Click on Scale Up (App Service Plan) in the left toolbar.

Step 3: Select Pricing Tier

  • Choose the desired pricing tier that meets your resource needs and click Apply.

Step 4: Successful Deployment

  • Once scaled, you can similarly scale out or set up auto-scaling based on specific conditi