Sastha Studio Notes 2026-09-24T00:00:00+05:30 Sastha K L https://sastha.studio/ Why most SaaS products share the same architecture https://sastha.studio/notes/saas-architecture 2026-09-24T00:00:00+05:30 2026-09-24T00:00:00+05:30 Studio notes on recurring SaaS architecture patterns.