Advanced Authorization: Roles and Permissions

Many applications need more than simple policies.

  ## Common roles
  - admin
  - editor
  - user
  
  ## Role flow
  
  ```mermaid
  flowchart LR
    A[Request] --> B[Auth]
    B --> C[Role Check]
    C -->|Allow| D[Controller]
    C -->|Deny| E[403]
  ```
  
  Roles help manage large teams and systems.
  
  In the next tutorial, we will version APIs.