When you deploy your function app to Azure you

How to warm up Azure Web App during deployment slots swap · The first warm up request is made to the web site Notice the user agent value set

We can do this using deployment slots A deployment slot is a release of a web app On the face, it is a deployment slot of a web app but it is

azure app service slot Azure deployment slots Azure Deployment Slots is a feature that allows Web Apps, API Apps and Function Apps to run different instances of their application at

azure deployment slot What is Azure Web App Deployment Slot