<ul><li>Role-based authorization in NestJS allows for assigning permissions based on roles.</li><li>The process involves installing dependencies, defining roles, creating custom guards and decorators, and applying them globally or locally.</li><li>Authentication middleware is used to identify a user's roles during the authentication process.</li><li>By following these steps, developers can implement role-based authorization in NestJS to secure their applications.</li></ul>

Role-Based Access Control in NestJS

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