I recently created https://github.com/gnur/tobab https://github.com/gnur/tobab that looks similar to your needs. It's an identity aware proxy that uses google

I recently created https://github.com/gnur/tobab https://github.com/gnur/tobab that looks similar to your needs. It's an identity aware proxy that uses google as an identity provider (but more could be added). I built it mainly out of frustration on how complicated the 2.x release of traefik has become.