Introduction to Azure App Service on Linux

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Azure App Service is a fully managed compute platform that is optimized for hosting websites and web applications. Customers can use App Service on Linux to host web apps natively on Linux for supported application stacks. The Languages section lists the application stacks that are currently supported.

Languages

App Service on Linux supports a number of Built-in images in order to increase developer productivity. If the runtime your application requires is not supported in the built-in images, there are instructions on how to build your own Docker image to deploy to Web App for Containers.

Language Supported Versions
Node.js 4.4, 4.5, 4.8, 6.2, 6.6, 6.9, 6.10, 6.11, 8.0, 8.1, 8.2, 8.8, 8.9, 8.11, 9.4, 10.1,10.10, 10.14
Java * Tomcat 8.5, 9.0, Java SE, WildFly 14 (all running JRE 8)
PHP 5.6, 7.0, 7.2
Python 2.7, 3.6, 3.7
.NET Core 1.0, 1.1, 2.0, 2.1, 2.2
Ruby 2.3, 2.4, 2.5, 2.6

Deployments

  • FTP
  • Local Git
  • GitHub
  • Bitbucket

DevOps

Console, Publishing, and Debugging

  • Environments
  • Deployments
  • Basic console
  • SSH

Scaling

  • Customers can scale web apps up and down by changing the tier of their App Service plan

Locations

Check the Azure Status Dashboard.

Limitations

The Azure portal shows only features that currently work for Web App for Containers. As we enable more features, they will become visible on the portal.

App Service on Linux is only supported with Free, Basic, Standard, and Premium app service plans and does not have a Shared tier. You cannot create a Linux Web App in an App Service plan already hosting non-Linux Web Apps.

Based on a current limitation, for the same resource group you cannot mix Windows and Linux apps in the same region.

Troubleshooting

When your application fails to start or you want to check the logging from your app, check the Docker logs in the LogFiles directory. You can access this directory either through your SCM site or via FTP. To log the stdout and stderr from your container, you need to enable Docker Container logging under Diagnostics Logs.

Enabling Logging

The setting takes effect immediately. App Service detects the settings change and restarts the container for you automatically.

You can access the SCM site from Advanced Tools in the Development Tools menu.

Using Kudu to view Docker logs

Next steps

The following articles get you started with App Service on Linux with web apps written in a variety of languages:

For more information on App Service on Linux, see:

You can post questions and concerns on our forum.