9 articles tagged with "backend"
You built an API, added authentication, and felt secure. Then a hacker changed one number in the URL and read every user's private data. IDOR is embarrassingly simple, devastatingly common, and entirely preventable — here's how.
Most Node.js apps get SIGTERM'd and just... die. Mid-request. Mid-transaction. Mid-chaos. Here's how to shut down like a professional — finishing what you started before turning off the lights.
Your API is a popular club. Rate limiting is the bouncer who keeps the chaos outside. Learn how to protect your Express server from abuse, scrapers, and the dreaded thundering herd — without turning away legit users.
You built a file download endpoint, added authentication, and shipped it. Congrats — you still got hacked. IDOR (Insecure Direct Object Reference) is the embarrassingly simple bug that's #1 in bug bounty reports and #1 in developer blind spots.
Why blocking your HTTP request to send an email is like making a customer stand at the checkout while you personally drive to the warehouse. Job queues are the answer — and they're easier than you think.
The Node.js event loop is the secret sauce behind its blazing speed — and also the first thing developers accidentally destroy. Learn how it works and how to stop choking it.
Every time your app fetches the same data from the database twice, a database cries. Learn how to use Redis caching in Node.js to make your API blazing fast — and give your poor DB a break.
Your Express API is wide open and someone's already firing 10,000 requests a minute at it. Here's how to add rate limiting before your server turns into a crater.
Processing a 2GB CSV by loading it entirely into memory is like eating an entire buffet in one bite. Node.js Streams let you take it one chunk at a time — and your server stops crashing at 3am.