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What is Azure App Service?


Introduction & Overview
API Documentation
Mobile Apps
Deployment Slots
Course Summary
2m 29s

The course is part of these learning paths

AZ-303 Exam Preparation: Technologies for Microsoft Azure Architects
AZ-104 Exam Preparation: Microsoft Azure Administrator
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What is Azure App Service?


You’ve got an idea for a great web app, or maybe you’ve already started building it. The next question is how are you going to get it out there on the Internet?

In this course, you will learn how you can quickly and easily set up a website and publish your app to the world with Azure App Service. Of course, web apps are a lot more complex and varied than just HTML pages and we will see how App Service supports a range of programming languages, frameworks, and even operating systems. We will explore features that greatly simplify application deployment and management, as well as those that will increase your app’s functionality like authentication and accessing on-premise data. App Service as with other Azure products has a raft of tools for monitoring and logging so you can make sure your app is performing optimally.

For any feedback, queries, or suggestions relating to this course, please contact us at support@cloudacademy.com.

Learning Objectives

  • Deploy apps using the Azure App Service
  • Create a web app using the Azure Portal
  • Create a web app using Visual Studio
  • Understand the configuration and diagnostic capabilities available from Azure App Service
  • Understand the advanced features of the service such as container deployment and deployment slots

Intended Audience

This is a beginner level course suited developers or anyone wanting to know how to deploy web apps to the Azure cloud.


To get the most from this course, you should have a basic understanding of the software development lifecycle, while knowing how to code would be a plus.

Course source code

Visual 2019 with .NET Core 3.1 was used for the demonstrations in this course.






So what is Azure App Service? I guess it could be simply and crudely described as a cloud-based web hosting service, but if you’ve had any experience with hosting a web site at a traditional Internet service provider you’ll soon realize it’s so much more. In a traditional hosting scenario that is analogous to hosting on a virtual machine, you get the machine that is loaded with a web server and that is pretty much it. You need to figure out how to get your code onto the server, whether that is by FTP or file copy, and for it to be correctly served up. Any logging over and above web server logs you will need to implement yourself. You will have to set up any associated database servers and their connections. If your web app receives more traffic than expected and you need to upgrade the server then you will have to redeploy to a new environment with more capacity. This is a headache at the very least and can result in unwanted downtime.

Azure App Service’s difference is in the name. It’s all about serving your app, freeing you from thinking about all the associated infrastructure and support services. Creating a web app through the Azure portal requires you to give your app a unique name and select a handful of parameters and then a placeholder app is up and running for you to customize. You can configure App Service to allow your app to access more compute resources as required so when traffic and load increase performance won’t decrease. App Service benefits from Azure’s and Microsoft’s considerable eco-system allowing you to integrate your app with Azure SQL, Azure DevOps, and easily deploy your app from your development environment. You can choose a vanilla deployment, deploy to a staging environment or use Docker container technology.

Which framework and programming language you use to build your web app have important implications on how your production environment is configured. Interpreted or script languages such as PHP, Python, Javascript, and Ruby need completely different web server setups than compiled libraries like Net. While .Net Core apps can run on Linux, standard Net apps need Windows. Azure App Service supports a wide range of languages and frameworks on both Windows and Linux operating systems.

Here are some of the features that are available to use with your web app.

  • Authentication and authorization. You can utilize third-party authentication providers such as Facebook, Google, and of course Microsoft and Active Directory. You can also authenticate a web app client with an API back end using Azure Active Directory.
  • Application Insights provides an abundance of metrics about your app’s usage and performance.
  • Configure backups of your app and its data.
  • Set up a custom domain, that is something other than the default azurewebsites.net
  • Toggle TLS/SSL settings and use security certificates
  • Use network configuration to restrict access to your app, make your app more secure, or access on-premise resources.
  • Scale resources available to your app based on pricing tier and app metrics
  • Webjobs allows you to run background jobs or processes based on triggers or schedules or can be manually instigated.
  • Push notifications to mobile clients
  • Set up alerts so you are notified by email if your app reaches a predetermined value like more than one Http 500 error in an hour.

About the Author

Hallam is a software architect with over 20 years experience across a wide range of industries. He began his software career as a  Delphi/Interbase disciple but changed his allegiance to Microsoft with its deep and broad ecosystem. While Hallam has designed and crafted custom software utilizing web, mobile and desktop technologies, good quality reliable data is the key to a successful solution. The challenge of quickly turning data into useful information for digestion by humans and machines has led Hallam to specialize in database design and process automation. Showing customers how leverage new technology to change and improve their business processes is one of the key drivers keeping Hallam coming back to the keyboard.