How to Build a Tenant-Based Database in .NET Core (Step-by-Step Guide)
Multi-tenancy is a foundational pattern in SaaS applications. In this guide, I’ll show you how to build a tenant-based (database-per-tenant) architecture using .NET Core and Entity Framework Core — step-by-step. 🧠What is Tenant-Based (Database-per-Tenant) Architecture? In a multi-tenant app, you serve multiple customers (tenants) from the same codebase. There are 3 main approaches: Approach Description Use Case Shared DB One DB, with TenantId column Simple apps Schema-per-tenant One DB, each tenant has its own schema Medium complexity Database-per-tenant One DB per tenant Maximum isolation & security ✅