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Articles, tutorials, and insights about web development, frontend technologies, and software engineering.
Next.js RCE Patch 2026: Fix It, Then Harden Your CSP
Vercel patched two critical unauthenticated RCEs in Next.js on August 25, 2026. Here is how to upgrade safely and finally drop unsafe-inline from your CSP.
We Found a Kubernetes Outage That Never Alerted
A noisy DaemonSet log led us to control plane certificates that had been expired for 16 days with zero alerts. Here is the full story and the fix.
The Real Fix for Flaky Docker Buildx CI Downloads
Curl retries and plugin caching only patch the symptom. Here is why registry based Buildx build caching is the real fix for flaky Docker Buildx CI pipelines.
Fixing JWT Refresh Race Conditions Across Browser Tabs
Multiple tabs refreshing the same JWT at once cause duplicate calls and random logouts. Here is how the Web Locks API and a few guards fix it for good.
Fixing Next.js Docker Build OOM Kills in CI
A Next.js build that passes locally can get OOM killed in CI. Fix Docker memory limits, build worker CPU count, and Node engine checks with this guide.
Handling 429 Rate Limits in Bulk API Requests [2026]
A bulk create flow firing hundreds of requests will hit 429 errors. Here is how I fixed it with Retry-After handling, backoff jitter, and live quota tracking.