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⚡ AI Lessons
Dev.to · Lolo
1d ago
My rate limiter was doing exactly what I told it to do. That was the problem.
I had a /image endpoint capped at 3 requests per minute. Simple express-rate-limit, keyed by IP,...
Dev.to · Lolo
1w ago
I checked my OpenAI and Anthropic dashboards every morning for a month. Then I stopped.
OpenAI usage page, check spend. Anthropic console, check spend. Add it up in my head. Close both...
Dev.to · Lolo
1w ago
I Got Tired of Rewriting AI API Wrappers, So I Built a Gateway
Every side project starts the same way. -Generate an OpenAI key. -Add it to .env. -Write a...
Dev.to · Lolo
🔐 Cybersecurity
⚡ AI Lesson
1w ago
The Security Bug Every Node.js Developer Ships to Production
Last year I was doing a code review for a startup. Everything looked fine on the surface, clean code,...
Dev.to · Lolo
☁️ DevOps & Cloud
⚡ AI Lesson
2w ago
The Node.js Mistake That Cost My Client $3,000 in AWS Bills
Last year I was asked to investigate a startup's AWS bill. It had jumped from roughly $200/month to...
Dev.to · Lolo
⚡ AI Lesson
2w ago
Your SaaS is probably leaking money right now — and you don't know it
Most indie developers ship their SaaS, celebrate, and move on. Security feels like something for...
Dev.to · Lolo
⚡ AI Lesson
2w ago
5 Things I Learned Building APIs with Node.js:
Why Your CORS Setup Breaks in Production You build the API. Test it locally. Everything works...
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