In this installment of Zero to Hero with App Service, learn how to migrate your existing applications to App Service. If you followed parts one, two, and three then you already have an application on App Service, and you can continue to the next article.
There are multiple ways to migrate a web application to Azure App Service:
App Service Migration Assessment Tool assesses whether your web site can be moved to Azure App Service. If your web site is public, you can simply provide your URL on this website to run the assessment. You can also download and run the assistant if your web site is hosted in a private environment. Post assessment App service Migration Assessment tool allows quick and easy migration of ASP.Net & PHP web applications running on IIS, and containerized web applications running on Linux operating systems to Azure App Service.
Please refer to Test Deployment and Migration Instructions for step-by-step instructions on migrating a sample ASP.NET web application to Azure App Service.
You can also refer to the Microsoft learn module for more information on how to migrate an on-premises web application App Service.
Please read How the Assistant Works for detailed information.
The App Service Migration Assessment Tool runs multiple readiness checks. The results of the readiness checks are used to decide if your app can migrate to Azure App Service. A comprehensive list of the checks is shown below.
For detailed information on readiness checks and possible remediation steps, see this article.
Please read Linux Container Checks for detailed information on readiness checks and possible remediation steps.
App Service Migration Assistant migrates the web application and associated configurations only, it does not migrate databases. There are multiple ways to migrate databases to Azure. Some options are listed below.
Your web application on Azure App service can also connect to an existing, on-premises database using Hybrid Connections.
Hybrid Connections allow your web application to securely access resources in other networks – in this case, an on-premises database. The migration tool configures and sets up Hybrid Connections for you, allowing you to migrate your site while keeping your database on-premises. You can then migrate your database later.
Azure Migrate provides a centralized hub to assess and migrate on-premises servers, infrastructure, applications, and data. The Migration assessment tool allows you to sync assessment data with Azure Migrate Hub for both successful migrations and migrations with blockers.
Using these resources, you can easily assess the migration feasibility of your .NET, PHP, and Linux containers. Once your migration assessment is complete, use the assistant’s step-by-step instructions to complete the migration to App Service. For more information, see the links below.
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