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My note on Azure Functions

3 Hosting Plans

Consumption Plan

  • an ideal serverless plan but you may encounter a cold-start phenomenon

Premium Plan

  • Execute the code as soon as the function is triggered

  • Virtual network support. Often the lack of this VNet support is the hurdle in adopting the function in corporate environment

Dedicated Plan

  • The same as the App Service Plan in Azure WebApp

Running functions locally

  • Start Storage Emulator

  • Start Cosmos DB Emulator, if your function uses Cosmos DB

AzureStorageEmulator.exe start
func start