Multi-tenant SaaS architectures — shared schema, schema-per-tenant, or DB-per-tenant — with RLS, tenant context, and isolation.
Multi-tenancy is the defining architectural choice of any SaaS. We choose the right model: shared-schema-with-tenant-id for most B2B/B2C (lowest operational cost), schema-per-tenant when customers demand logical separation, or DB-per-tenant for strict compliance. PostgreSQL Row-Level Security enforces isolation at the database layer.
RLS at the database layer prevents cross-tenant data leaks.
Shared schema keeps DB costs low even at 10,000+ tenants.
Graduate large tenants to schema-per-tenant without rewrites.
Supports HIPAA/SOC 2 tenancy requirements.
Enforce tenant isolation at the database layer with PostgreSQL RLS policies — defense in depth beyond app-level filtering.
Learn MoreAutomated tenant provisioning — signup flow creates org, seeds defaults, sends welcome, and provisions schema if needed.
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