Multi-Tenancy: One Application for Many Clients

Multi-tenancy allows a single Laravel app to serve many customers while keeping data isolated. ## Common approaches - Shared DB with tenant_id - Separate DB per tenant - Separate schemas ## tenant_id flow ```mermaid flowchart LR A[Request] --> B[Identify Tenant] B --> C[Apply Tenant Scope] C --> D[(Shared Database)] ``` Multi-tenancy is essential for SaaS platforms. In the next tutorial, we will implement health checks and monitoring.