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FastTrack for Azure
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Using A Function App with a Dedicated Static IP

faismustafa's avatar
faismustafa
Icon for Microsoft rankMicrosoft
Jul 08, 2021
Create an HTTP Trigger Function Create an HTTP Trigger C# function with a name of your liking. Use an App Service Hosting Plan SKU or Standard or Premium, both support VNET integration. ...
Updated Jul 02, 2021
Version 1.0
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bjg's avatar
bjg
Icon for Microsoft rankMicrosoft
Jul 12, 2021

Great Article!
For those customers who do not have an existing Azure Firewall (or similar Virtual Network Appliance) the other way to ensure a stable client / source IP  for your Azure Functions is to configure Azure NAT Gateway. See here for a full walkthrough: https://docs.microsoft.com/en-us/azure/azure-functions/functions-how-to-use-nat-gateway 
Similar can also be utilised for App services supporting regional vnet integration, ref Christina C. here: https://azure.github.io/AppService/2020/11/15/web-app-nat-gateway.html