Scaling Multi-Tenant Apps: How One Next.js Codebase Powers Infinite Sites

Monolithic architectures often get dismissed in favor of microservices, but this case demonstrates that a single Next.js codebase can elegantly serve multiple tenants through intelligent hostname routing and route grouping. For developers building SaaS or multi-tenant platforms, this approach offers a simpler alternative that maintains clean separation of concerns while avoiding the operational overhead of distributed systems.