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Edge Functions

وظائف الحافة

IntermediateDevOps & CI/CD1 min read
edge-functionsedge-computing
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Definition

Serverless functions that run at CDN edge nodes, geographically close to users.

وظائف بدون خادم تعمل على عقد CDN الحافية، قريبة جغرافياً من المستخدمين.

Why It Matters

A/B testing logic often runs as an Edge Function so users get the correct variant without a round-trip to the origin server.

منطق اختبار A/B غالباً يعمل كـ Edge Function حتى يحصل المستخدمون على التنويع الصحيح دون رحلة ذهاباً وإياباً إلى خادم الأصل.

Full Definition

Edge Functions are serverless functions that execute on the CDN edge instead of a central server. Because they run near the user, latency is dramatically lower. They have limited APIs (no Node.js built-ins) but are extremely fast. Next.js middleware runs as Edge Functions by default.
وظائف الحافة هي وظائف بدون خادم تُنفَّذ على حافة CDN بدلاً من خادم مركزي. لأنها تعمل بالقرب من المستخدم، يكون زمن الاستجابة أقل بكثير.

Example Usage

“A/B testing logic often runs as an Edge Function so users get the correct variant without a round-trip to the origin server.”

“منطق اختبار A/B غالباً يعمل كـ Edge Function حتى يحصل المستخدمون على التنويع الصحيح دون رحلة ذهاباً وإياباً إلى خادم الأصل.”

Knowledge Graph

AI Builder Tips

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Avoid these mistakes when using Edge Functions:

1

Using edge functions for database-heavy operations → Edge functions can't connect to traditional databases. Use them for routing, auth checks, and simple transformations.

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Help me build a project using Edge Functions.

Explain:
1. What is Edge Functions and why it matters
2. The core architecture and required tools
3. Step-by-step implementation plan
4. Common mistakes to avoid: Using edge functions for database-heavy operations → Edge functions can't connect to traditional databases. Use them for routing, auth checks, and simple transformations.
5. Best practices and production tips

Official Resources

No official documentation link on file for Edge Functions yet.

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