Q35 Functions Domain 3 · 20–25% of exam

A team needs to run an Azure Function on a custom Docker container with specific OS dependencies. Which approach is supported?

  1. A Custom containers are not supported in Azure Functions
  2. B Deploy as a custom container image to a Premium or Dedicated plan function app (correct answer)
  3. C Use a Consumption plan with layer caching
  4. D Use Azure Container Instances trigger

Shortcut: Azure Functions supports custom Docker container images (FUNCTIONS_WORKER_RUNTIME set in image). Custom containers run on Premium or Dedicated plans. Consumption plan does not support custom containers.