Glossary term
What is FaaS / Serverless (Functions as a Service)?
FaaS / Serverless stands for Functions as a Service.
Run code on events; pay per use; no servers to manage. Example: AWS Lambda resizing images on upload.
Learn it properly · System DesignLesson 57: Cloud Fundamentals: Regions, AZs & ServerlessServers that once took months to order now take minutes — but the cloud has its own concepts, failure modes and surprise bills. Regions and availability zones, IaaS to SaaS, serverless and cold starts, the shared responsibility model, cost, and infrastructure as code.