better-auth6 min read
better-auth — The Open-Source Auth Library That Replaces NextAuth
A deep dive into better-auth, the framework-agnostic TypeScript auth library with built-in plugins for 2FA, passkeys, and multi-tenancy.
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backend6 min read
Blocking I/O in Async Systems — The Node.js Event Loop Killer
One synchronous, blocking operation in your Node.js server blocks EVERY concurrent request. JSON.parse on a 10MB payload, a for-loop over 100k items, or a synchronous file read — all of them freeze your event loop and make your entire server unresponsive.
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backend7 min read
Bot Traffic Killing Your APIs — When 80% of Your Traffic Isn't Human
Your API logs show 10,000 requests per minute. Your analytics show 50 active users. The other 9,950 RPM is bots — scrapers, credential stuffers, inventory hoarders, and price monitors paying your cloud bill while slowing real users down.
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bulkhead-pattern6 min read
The Bulkhead Pattern — Isolating Failures So One Bad Dependency Doesn't Sink Everything
Master thread pool isolation, semaphore-based bulkheads, tenant isolation, and failure injection testing for fault-tolerant distributed systems.
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bullmq9 min read
BullMQ in Production — Priority Queues, Rate Limiting, and Dead Letter Handling
Build reliable background job systems with BullMQ. Master priority queues, rate limiting, dead letter handling, and monitoring for production resilience.
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