NestJS
1 May 2026
8 MIN READ
Multi-Tenant Backend with NestJS: Complete Guide (Shared Schema)
- What is Multi-Tenancy?
- Three Approaches to Multi-Tenancy
- Database Schema Design
- Tenant Resolution — How Does the App Know Which Tenant?
- The Most Important Rule — Always Filter by tenantId
- Tenant-Scoped Controller
- Tenant Registration Flow
- Plan-Based Feature Gating
- Performance at Scale
- 1\. Composite Indexes on Every Table
- 2\. Connection Pooling with PgBouncer
- 3\. Redis Caching for Tenant Lookups
- Common Mistakes to Avoid
- Real World Application
- Summary
A practical guide to building multi-tenant backends with NestJS, PostgreSQL, and Prisma. Real patterns, schema design, and lessons from production.
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Mentioned Technologies
#NestJS#PostgreSQL#Prisma#Backend#NodeJS#TypeScript#SaaS#System Design