Azure serverless compute service that runs code in response to events. Like having a helper that automatically does specific tasks whenever certain things happen.
When a file is uploaded to Azure storage, Functions automatically processes and resizes the image.
All are serverless Function-as-a-Service (FaaS) offerings that run code on demand in response to events (HTTP requests, queues, storage changes, schedules). They differ mainly in supported triggers/integrations, scaling behavior, runtime options, observability tooling, and pricing details.