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.