Based on your setup, you might find ZITADEL (https://zitadel.com/docs/self-hosting/deploy/overview) a great fit for centralized login management. It’s versatile enough to handle a variety of services and containers, making it ideal even for mixed environments like yours. It’ll also be worth watching this video for a demo on how to set up SSO - https://www.youtube.com/watch?v=1T1uxKW06Vs