如何在Microsoft Azure App Service控制台压缩文件及安装压缩工具？

Hey there! I totally get the frustration of dealing with 3GB+ files via FTP—super slow. Let's fix this compression issue in Kudu step by step.

First, Why Your Previous Commands Failed #

• compress is a Linux-only command, so it won't work in Windows-based Kudu CMD.
• Compress-Archive is a PowerShell cmdlet—you were probably running it in the CMD tab instead of PowerShell.
• zip isn't included by default in Windows CMD environments.

Option 1: Use Built-in PowerShell Compression (Easiest) #

Kudu has a PowerShell tab—switch to it, and you can use the native Compress-Archive cmdlet without installing anything:

1. Open your Azure App Service Kudu console (via https://<your-app-name>.scm.azurewebsites.net).
2. Click the PowerShell tab at the top (instead of CMD).
3. Run this command, adjusting the paths to match your files:

   # Compress all files in your target folder into a single zip
   Compress-Archive -Path "D:\home\site\wwwroot\your-large-files-folder\*" -DestinationPath "D:\home\site\wwwroot\large-archive.zip"
   

   • D:\home is the persistent storage path for your App Service, so your compressed file will stay there until you delete it.

Option 2: Use 7-Zip for Higher Compression (If You Need It) #

If you want better compression ratios (smaller file size for faster downloads), you can temporarily install 7-Zip in the Kudu environment (it won't survive an app restart, but that's fine for one-off tasks):

1. Stay in the PowerShell tab, and run these commands to set up 7-Zip:

   # Download the 7-Zip portable tools package
   Invoke-WebRequest -Uri "https://www.7-zip.org/a/7z2301-extra.7z" -OutFile "D:\home\7z-tools.7z"
   # Extract the package to a local folder
   Expand-Archive -Path "D:\home\7z-tools.7z" -DestinationPath "D:\home\7z"
   # Compress your files with 7-Zip (use .7z for better compression, or .zip)
   D:\home\7z\7z.exe a "D:\home\site\wwwroot\large-archive.7z" "D:\home\site\wwwroot\your-large-files-folder\*"
   

2. Once done, you can delete the 7-Zip files if you want to free up space.

Downloading the Compressed File to Your New Server #

Once the archive is ready, use wget from your new server to pull it directly (faster than FTP):

wget https://<your-app-name>.scm.azurewebsites.net/api/vfs/site/wwwroot/large-archive.zip --user <your-deployment-username> --password <your-deployment-password>

You can find your deployment credentials in the Azure Portal under your App Service > Deployment Center > FTP Credentials.

内容的提问来源于stack exchange，提问作者Arvind K.