memo - toge510/aws GitHub Wiki
- https://dev-70844395-admin.okta.com/admin/dashboard
- https://developer.okta.com/docs/guides/sign-into-web-app-redirect/asp-net-core-3/main/#define-a-callback-route
- https://www.youtube.com/watch?v=jUgyT4E_C10&ab_channel=VincentStevenson
- https://github.com/vastevenson/php-app-okta-authn-demo/blob/main/index.php