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Cloud & infrastructure · #netlify
A diagnostic guide for Netlify Node.js Functions that fail to deploy or return 502 errors, covering handler exports, timeouts, environment variables, CORS headers, and bundle size limits.
Moving JWT validation to Netlify Edge Functions can cut 100-200ms per authenticated request, but only if your auth logic fits within V8 isolate constraints: 50MB bundle, 100ms init, no filesystem, Web Crypto API only. A concrete RS256 validation example shows the trade-offs.
Learn how to proxy external APIs and provide SPA fallback on Netlify using 200‑status rewrite rules in netlify.toml, with verification steps and common pitfalls.
Netlify edge redirect rules can serve index.html for unknown SPA paths and enforce canonical URLs, but rule ordering and status-code choice determine whether your app works.
Stop the 'flash of unstyled content' in your A/B tests. Learn how to use Netlify Edge Functions and HTMLRewriter to personalize static pages at the CDN level.
Static sites often need backend logic, but managing servers adds overhead. Netlify Functions provide a serverless middle ground-deploy from your repo, proxy APIs, and stay within static workflow constraints.
When a Netlify Function returns a 502 Bad Gateway, it’s usually due to a timeout, runtime mismatch, missing dependency, export error, or missing environment variable. This guide walks through a diagnostic checklist, quick fixes, and when to seek help.
A decision guide that compares Edge Functions (Deno) and Serverless Functions (Node.js) for a read‑heavy Jamstack API, shows concrete code examples, and lists validation steps.
A decision guide that compares Netlify Functions (AWS Lambda‑style) and Edge Functions (Deno‑compatible) for API endpoints, rewrites, and personalization, with a concrete validation path.
nodejs
jamstack