Dex is very good if you have some other auth in place, but the local user store is quite bare-bones, and not all providers are equally good. On the other hand

Dex is very good if you have some other auth in place, but the local user store is quite bare-bones, and not all providers are equally good. On the other hand it is very light on resources, so if you need it anywhere you can add it to you app/deployment and be happy.