Cloud Computing Intermediate

What is Serverless Computing?

A cloud execution model where the provider manages servers and dynamically allocates resources, charging only for actual usage.

Serverless does not mean "no servers" — it means developers do not manage them. Code runs in stateless functions triggered by events (HTTP requests, file uploads, database changes). The cloud provider handles scaling, patching, and availability.

Services include AWS Lambda, Azure Functions, Google Cloud Functions, and Cloudflare Workers. Benefits include zero server management, automatic scaling, and pay-per-invocation pricing. Limitations include cold starts, execution time limits, and vendor lock-in.

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Related Terms

Automatically adjusting the number of computing resources based on current demand to maintain performance and optimize costs.

IaaS (Infrastructure as a Service)

A cloud service model providing virtualized computing resources like servers, storage, and networking over the internet.

CDK (Cloud Development Kit)

A software development framework for defining cloud infrastructure using familiar programming languages instead of YAML or JSON templates.

A computing environment that combines on-premises infrastructure with public cloud services, allowing data and applications to move between them.

IAM (Identity and Access Management)

A framework for managing digital identities and controlling who can access which cloud resources and services.

An AWS service that provisions and manages cloud resources using declarative JSON or YAML templates.

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