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Glossary · Cloud Computing

What is Serverless?

A cloud model where the provider runs your code on demand and bills per request and run time, with no servers for you to manage.

In more detail

Great for event-driven and spiky workloads; watch for cold starts, time limits and cost at constant heavy traffic.

Example

A function that creates a thumbnail whenever a photo is uploaded.

Learn it properlyServerless and Deploying Apps to the Cloud: Functions, Containers and CI/CD12 min lesson · Cloud Computing

Related terms

Availability ZoneAn isolated data centre location within a cloud region, with independent power, cooling and networking.ContainerA lightweight package containing an application and everything it needs to run, sharing the host operating system’s kernel.IaaS, PaaS and SaaSThe three cloud service models: rent infrastructure, use a managed platform for your code, or use complete software.IAM (Identity and Access Management)The cloud service that controls who can do which actions on which resources.KubernetesAn open-source system for running, scaling and updating containers across a cluster of machines.Shared Responsibility ModelThe split of security duties between a cloud provider (security of the cloud) and the customer (security in the cloud).