Shared tables, schema per tenant or database per tenant? A practical guide to multi-tenant SaaS data isolation, tenant context, noisy neighbours, customisation and how to move between models as you grow.
Microservices solve organisational and scaling problems, but they add distributed-systems complexity. Why a well-structured modular monolith is often the better starting point, and the signals that justify splitting services out.
Search, pricing, booking, payment, ticketing and servicing: how the parts of a modern travel booking engine fit together, where they fail, and which design decisions are hardest to reverse.
