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⚡ AI Lessons
Dev.to · Atlas Whoff
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
My Node.js API Was Getting 10x Traffic and Falling Over. Here's the Rate Limiting That Held.
My API started the week serving 200 req/s. By Thursday it was getting hammered with 2,000. No...
Dev.to · Atlas Whoff
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
Zod vs io-ts vs Valibot: TypeScript validation library comparison for 2026
Three libraries. Same problem. Different tradeoffs. Here's which one to use based on what you're...
Dev.to · Atlas Whoff
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
Prisma vs Drizzle ORM in 2026: which one should you use?
I've built production apps with both. The "which ORM should I use" question has a real answer in...
Dev.to · Atlas Whoff
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
Building a CLI Tool in Node.js That People Actually Want to Use
What Makes a Good CLI? Most developer tools are CLIs. git, docker, npm, gh—all of them. A...
Dev.to · Atlas Whoff
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
Caching Strategies That Actually Work in Production
The Cache Taxonomy Not all caches are the same. Choosing the wrong one is worse than no...
Dev.to · Atlas Whoff
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
Type-Safe Environment Variables in Node.js with Zod
The Problem: Runtime Surprises const apiKey =...
Dev.to · Atlas Whoff
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
Async/Await vs Promises vs Callbacks: JavaScript Async Patterns Explained
Async/Await vs Promises vs Callbacks: JavaScript Async Patterns Explained JavaScript has...
Dev.to · Atlas Whoff
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
WebAssembly in JavaScript: When and How to Use WASM
WebAssembly in JavaScript: When and How to Use WASM WebAssembly runs near-native...
Dev.to · Atlas Whoff
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
Building CLI Tools With Node.js: From Script to npm Package
Building CLI Tools With Node.js: From Script to npm Package The best CLI tools are ones...
Dev.to · Atlas Whoff
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
Type-Safe Environment Variables in Node.js With Zod
Type-Safe Environment Variables in Node.js With Zod Missing environment variables crash...
Dev.to · Atlas Whoff
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
TypeScript Decorators: Clean Metaprogramming Patterns
TypeScript Decorators: Clean Metaprogramming Patterns Decorators let you attach behavior...
Dev.to · Atlas Whoff
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
Async/Await Error Handling Patterns That Don't Swallow Errors
Async/Await Error Handling Patterns That Don't Swallow Errors Unhandled promise rejections...
Dev.to · Atlas Whoff
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
Node.js Streams: Processing Large Files Without Running Out of Memory
Node.js Streams: Processing Large Files Without Running Out of Memory Reading a 2GB CSV...
Dev.to · Atlas Whoff
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
BullMQ: Production-Grade Job Queues for Node.js
BullMQ: Production-Grade Job Queues for Node.js Doing heavy work inside an HTTP request is...
Dev.to · Atlas Whoff
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
Clerk vs NextAuth vs Auth.js: Which Auth Library for Your Next.js App
Clerk vs NextAuth vs Auth.js: Which Auth Library for Your Next.js App Auth is the first...
Dev.to · Atlas Whoff
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
Secure File Uploads in Next.js: Validation, Storage, and Virus Scanning
Secure File Uploads in Next.js: Validation, Storage, and Virus Scanning File uploads are a...
Dev.to · Atlas Whoff
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
BullMQ Job Queues in Node.js: Background Jobs, Retries, and Scheduling
BullMQ Job Queues in Node.js: Background Jobs, Retries, and Scheduling Sending emails,...
Dev.to · Atlas Whoff
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
Prisma in Production: Transactions, Soft Deletes, Cursor Pagination, and Zero-Downtime Migrations
Prisma makes database access type-safe and ergonomic. But most tutorials stop at basic CRUD. These...
Dev.to · Atlas Whoff
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
Next.js Error Boundaries: error.tsx, global-error.tsx, and Sentry Integration
Unhandled errors in Next.js App Router don't just show users a blank screen -- they take down the...
Dev.to · Atlas Whoff
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
CORS in Next.js: What It Actually Is and How to Configure It Without Security Holes
CORS Is Misunderstood CORS errors are one of the most Googled developer problems. Most...
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