My new multi-tenant SaaS app code with Next.js

In this SaaS project, I’m building a Next.js app with a multi-tenant structure, keeping it real with some sass and coding finesse. 🚀 The key insight? It’s all about roles and permissions, like a backstage pass to control who does what. Whether it’s managing projects or handling invites, it’s all in the code, making sure users get exactly what they need, no more, no less. 🎩

🛠️ Project Structure and Authorization Logic

In my latest SaaS multi-tenant app built with Next.js, I’ve meticulously structured the project and implemented robust authorization controls. Let’s delve into the details:

Project Overview

I’ve shared insights into the project’s structure and methodology on Twitter. It’s essential to understand the framework I’m adhering to for this new endeavor.

Features and Roles

I’ve outlined the project’s functional requirements and defined the roles within the application. Here’s a breakdown of the roles:

Permissions Management

I’ve structured a permissions table to manage role-based access control efficiently. It includes roles and their corresponding functionalities, along with conditions for conditional access.

Implementation Approach

I’ve adopted a monorepo approach for seamless integration of authorization across both backend and frontend components. This decision facilitates sharing permissions between projects efficiently.

Library Integration: Castle

For authorization management, I’ve leveraged the Castle library, providing a structured approach to defining roles and permissions. Although it doesn’t automate processes entirely, it streamlines authorization setup and integrates seamlessly with TypeScript.

Defining Subjects and Roles

Subjects represent resources requiring authorization control, such as organizations and projects. Meanwhile, roles dictate the actions users can perform within these subjects.

User Authentication and Authorization

I’ve implemented robust authentication and authorization mechanisms. Users’ roles are not stored directly in JWT tokens to prevent token bloat and ensure real-time role updates.

Frontend Integration

Authorization checks are performed both on the frontend and backend to guarantee data integrity and security. Users are granted or denied access to functionalities based on their roles.

Conclusion

By meticulously structuring the project and implementing robust authorization controls, I ensure a secure and efficient SaaS application. The integration of Castle library streamlines role management, enhancing scalability and maintainability.

Key Takeaways

• Structured Approach: Organizing roles, permissions, and subjects lays the foundation for effective authorization management.
• Library Integration: Leveraging Castle library simplifies role-based access control implementation.
• Frontend Validation: Performing authorization checks on both frontend and backend ensures comprehensive security measures.

FAQ

Q: Can roles be dynamically updated without affecting ongoing sessions?
A: Yes, roles can be dynamically updated without impacting ongoing sessions, ensuring seamless user experience and security.

Q: How does Castle handle permission updates?
A: Castle follows a granular approach, allowing precise control over permissions. Updates are straightforward and can be managed efficiently through role configurations.

By adhering to these principles and leveraging robust authorization methodologies, my SaaS application ensures a seamless user experience while maintaining stringent security measures.