Using PostgreSQL RLS for Multi‑Tenant SaaS Isolation
A step‑by‑step guide showing how PostgreSQL’s Row‑Level Security, via Supabase, can isolate tenants in SaaS apps like BarberHub Pro, without custom ACL code.
Blog
Notes on building systems that work.
Short essays on operations, architecture, applied AI and engineering lessons — written for founders, managers and technical teams.
Your Business Doesn't Need Another Dashboard
Most operational chaos isn't a missing feature. It's two versions of the truth. What replacing WhatsApp-and-spreadsheet workflows teaches about systems.