Notes from the trenches.
Practical write-ups on React, Node.js, databases, mobile apps and shipping to production.
76 articles
01Featured articles
Featured · 01Apr 10, 2026 · 12 min
Next.js on AWS vs Vercel: What It Actually Costs You
Vercel makes deployment effortless — but that convenience has a price tag. Before you scale, here's what AWS actually costs you (and where Vercel quietly wins).
Featured · 02Apr 9, 2026 · 12 min
I Built an AI SaaS MVP in 48 Hours — Here's What Actually Matters
Forget the perfect tech stack. I shipped a paying AI SaaS in a weekend, and 90% of what I thought mattered didn't.
02All articles
- 01The Celery Bug That Quietly Runs Your Tasks Twice at ScaleEver wonder why your background jobs are running twice as much as they should? At scale, Celery has a sneaky habit of silently duplicating tasks — and most teams never even notice.May 24, 2026
celery - 02The Elasticsearch Trap: More Green Means More LagYour Elasticsearch cluster finally hits green status and you pop the champagne — then wonder why everything suddenly feels slower. Turns out, healthy might be your biggest performance enemy.May 23, 2026
elasticsearch - 03The One Partition Kafka Won't Tell You Is DrowningYour Kafka dashboard shows healthy lag across the board — so why are some messages hours old? The culprit is hiding in plain sight, and it's probably one partition.May 22, 2026
kafka - 04The Hidden Clock Drift Bug That Makes Celery Beat Ghost Your TasksEver wonder why your Celery Beat tasks just... disappear? No errors, no logs — just silence. The culprit might be hiding in your system clock.May 21, 2026
celery - 05The Quiet Killer: Redis OOM Errors That Swallow Your Celery TasksYour Celery tasks look queued, your workers look busy, but nothing's actually happening. Redis just ate your jobs whole — and didn't even leave a trace.May 20, 2026
celery - 06When Node.js Memory Leaks Kill Your Cluster Workers Without WarningYour cluster workers aren't crashing randomly — the primary process is quietly eating RAM until the OS pulls the plug. Here's what's actually killing them.May 19, 2026
node.js - 07Why Your Query Runs Fine in Staging But Crawls in ProductionYour staging query blazes through in milliseconds, but production grinds to a halt. The culprit? A sneaky little setting called statistics target that nobody warned you about.May 18, 2026
postgresql - 08HTTP/2 Server Push Is Quietly Killing Your Page SpeedYou enabled HTTP/2 Server Push thinking it'd turbocharge your site — but what if it's actually the reason your pages are crawling? The answer might surprise you.May 17, 2026
http/2