Merge pull request #117470 from sarsharma/function-docker-webhook-exception

Add info: Docker Webhook not supported for Functions Elastic Premium Plan

Author: American-Dipper

articles/azure-functions/functions-how-to-custom-container.md

@@ -194,6 +194,9 @@ Azure Functions lets you work with application settings for containerized functi
 :::zone pivot="azure-functions"
 ## Enable continuous deployment to Azure
 
+> [!IMPORTANT]
+> Webhook-based deployment isn't currently supported when running your container in an [Elastic Premium plan](functions-premium-plan.md). If you need to use the continuous deployment method described in this section, instead deploy your container in an [App Service plan](dedicated-plan.md). When running in an Elastic Premium plan, you need to manually restart your app whenever you make updates to your container in the repository.
+
 You can enable Azure Functions to automatically update your deployment of an image whenever you update the image in the registry.
 
 1. Use the following command to enable continuous deployment and to get the webhook URL: