Insights
Techpuvi Notes.
Engineering, AI, and the work of building software that lasts.
PostgreSQL vs MongoDB for Multi-Tenant SaaS in 2026
The PostgreSQL vs MongoDB debate, revisited for 2026. Where each wins for multi-tenant SaaS, what's changed, and which to start with.
Real Core Web Vitals Scores: We Tested 50 Indian Websites
Original data: LCP, CLS, INP across 50 Indian sites in eCommerce, news, fintech, and SaaS. What's actually achievable, and what most teams get wrong.
Building Offline-First React Native Apps That Don't Break Sync
Offline-first is harder than it looks. Here's the architecture pattern, local-first data, queue-and-sync, conflict resolution, that survives real usage.
The Hidden Cost of 'Free' Authentication Providers
Auth0, Clerk, WorkOS, Firebase Auth, their pricing curves get steep fast. Here's what they actually cost at scale, and when to switch.
We Migrated from Vercel to Cloudflare Pages. Real Cost Breakdown.
Why we moved, what broke, what got better, and the real monthly bill on both sides. A migration retrospective for teams considering the switch.
Building an Internal Developer Platform (IDP): A 90-Day Playbook
Platform engineering is the new DevOps. Here's the 90-day playbook for building an internal developer platform that actually accelerates your engineering team.
How We Keep Kubernetes Costs Under ₹50K/Month for Early-Stage SaaS
Kubernetes doesn't have to be expensive. Here's the stack and practices we use to keep production K8s costs under ₹50K monthly for early-stage Indian SaaS.
Multi-Tenant SaaS on Postgres: RLS vs Schema-per-Tenant
Two architectures, real benchmarks, and a decision framework for which one to pick. We've shipped both, here's when each wins.