Nextauth as an external api to do authentication

[dangluan343]

I integrated successfully nextauth with nextjs route. But i have a custom server using express so i want to move nextauth into a controller instead of using api/auth/[...nextauth]/route.ts.
Is it possible? the code below is what i want instead of creating api/auth/[...nextauth]/route.ts.

@Controller('/api/auth')
export default class AuthController {
  @Get('/*')
  async getAuth(req: Request, res: Response) {
    return nextAuth(req, res);
  }
  @Post('/*')
  async postAuth(req: Request, res: Response) {
    return nextAuth(req, res);
  }
}

Is it required to create api/auth/[...nextauth]/route.ts to make nextauth working? Cause i want to use the code above instead