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Multi-tenancy is a crucial architectural pattern for SaaS applications, allowing a single application instance to serve multiple tenants with logical data isolation. In this blog, we will explore how to implement multi-tenancy in a Spring Boot application with reactive programming using Spring WebFlux.
Understanding Multi-Tenancy
Multi-tenancy can be implemented in different ways:
1. Database per Tenant
- How it works: Each tenant gets their own dedicated database. This provides the strongest level of isolation.
Pros:
- High security: Data is completely isolated, reducing the risk of accidental or malicious data breaches.
- Easy backups and restores: Tenant data can be backed up and restored independently.
- Simplified data management: Easier to manage and maintain individual databases.
Cons:
- High cost: Requires more resources and infrastructure to manage multiple databases.
- Complex administration: Can be more complex to manage and administer multiple databases.
- Scalability challenges: Scaling can be more challenging as each tenant requires a separate database.
