AWS
How I Reduced AWS Costs by 40% Without Touching the App
Real method to reduce your AWS bill using right-sizing, autoscaling, and Reserved Instance strategy. No code changes required.
Blog
Production DevOps Fixes
Real incidents. Real root causes. Real fixes. No paywalls.
4 articles
Kubernetes
Kubernetes OOMKilled in Production: Root Cause & Fix
Your pod gets OOMKilled at 3 AM. Here's how I diagnosed memory leaks, tuned resource limits, and prevented recurrence without downtime.
Nginx
Nginx 502 Bad Gateway: Upstream Timeout Diagnosis
502s spiking after a deploy? I'll walk through the exact nginx config, upstream keepalive tuning, and health check changes that eliminated them.
CI/CD
GitHub Actions Docker Build: 12min → 2min with Layer Caching
Our Docker builds were eating 12 minutes of CI time. Here's the exact caching strategy using BuildKit and GitHub's cache backend that cut it to 2 minutes.