How to compress wwwroot folder of azure webapp

Question

How to compress wwwroot folder of azure webapp with a powershell script so that I can download it as a file using sftp script?

Answer 1

@MoTaar Thank you for reaching out to Microsoft Q&A, apologize for any inconvenience caused on this.

Hope you have seen the response from Udaiappa Ramachandran and helped. Adding to that if you want to use service principal-based credentials instead of publishing profile credentials.

You can refer to the PowerShell script mentioned in this blog post which uses service principal credentials +Kudu Rest Api to download the files under site/wwwroot folder contents as zip folder.

Feel free to reach back to me if you have any further questions on this.

Answer 2

Hi @MoTaar

You can use the Azure App Services Backup/Restore to backup your site as zip files

https://learn.microsoft.com/en-us/azure/app-service/manage-backup?WT.mc_id=AZ-MVP-5004665

If you still need to use the script, then you can use something like the below:

# Ensure you have the Azure PowerShell module installed and imported
Import-Module Az

# Variables
$resourceGroupName = "<YourResourceGroupName>"
$webAppName = "<YourWebAppName>"
$zipFileName = "$webAppName-$(Get-Date -Format 'yyyyMMddHHmm').zip"
$destinationPath = "<YourLocalBackupPath>\" + $zipFileName

# Authenticate with Azure if not already logged in
# Connect-AzAccount

# Get the publishing profile for the Azure Web App
$publishingProfile = Get-AzWebAppPublishingProfile -ResourceGroupName $resourceGroupName -Name $webAppName

# Extracting deployment credentials from the publishing profile
$username = $publishingProfile.Properties.PublishingUserName
$password = $publishingProfile.Properties.PublishingPassword

# Define the base64 authorization for the header
$base64AuthInfo = [Convert]::ToBase64String([Text.Encoding]::ASCII.GetBytes(("{0}:{1}" -f $username,$password)))

# Define the Kudu API zip endpoint
$apiUrl = "https://$webAppName.scm.azurewebsites.net/api/zip/site/wwwroot/"

# Make the web request to the Kudu API to get the zip file
Invoke-RestMethod -Uri $apiUrl -Headers @{Authorization=("Basic {0}" -f $base64AuthInfo)} -Method GET -OutFile $destinationPath

Write-Host "Backup of $webAppName completed successfully. File saved to $destinationPath"