Add policy to configure domain-based dns zone configuration on App Service Private Endpoints

Azure / Community-Policy

This repo is for Microsoft Azure customers and Microsoft teams to collaborate in making custom policies.

MIT License

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Add policy to configure domain-based dns zone configuration on App Service Private Endpoints #445

Closed digitmj closed 6 months ago

digitmj commented 6 months ago

The builtin policy Configure App Service apps to use private DNS zones does not evaluate the domain suffix used by the App Service app (azurewebsites.net versus appserviceenvironment.net).

I've created a custom policy as an improvement since it uses ARM template functions to determine the domain suffix in the defaultHostname property of the App Service App, and then determines which of the two private dns zones to use (given by the input parameters).