354 - A look at the new Azure Front Door edge actions
Summary
Hosts Tobias and Yussi discuss Azure Front Door Edge Actions, a feature allowing lightweight JavaScript execution at the edge for dynamic request processing. They cover use cases like JWT validation, A/B testing, and traffic steering, emphasizing its role in offloading logic from origin servers. The episode contrasts Edge Actions with Cloudflare Workers, highlighting stricter limits on code size and execution time. Practical advice on deployment, testing, and logging is also provided.
Topics discussed
Intro: Running routines and coffee machine upgrades
Introduction to Azure Front Door Edge Actions
When to use Edge Actions vs static rules
Use cases: Token validation and traffic steering
Edge Actions vs Cloudflare Workers comparison
Technical constraints: Code size, time, and state
Getting started: Deployment, logging, and testing
Conclusion and final thoughts on limitations
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