Serverless
Cloud functions that run your code on demand — no servers to manage, you only pay when they execute.
The Full Picture
Serverless functions (AWS Lambda, Vercel Functions, Google Cloud Functions) spin up when triggered, execute your code, and shut down. No servers to maintain, no scaling to configure. In the vibe coding world, serverless is the default — Vercel deploys your Next.js API routes as serverless functions automatically.
The gotchas: cold starts (first request is slow), 10-second timeout limits on Vercel's hobby plan, and no persistent connections (WebSockets need workarounds).
Related Terms
Server-side code that runs at the CDN edge, close to your users, for ultra-low latency responses.
A server-side endpoint defined right in your Next.js project — no separate backend needed.
A URL that receives automatic HTTP notifications when something happens in another service.
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