Check out this guide to get started with exposing your services via proxy. I started with v1 and migrated to v2. Until I dug this link out for you, I had no idea about v3; but if it’s as good as the first two I can only imagine how good it is now.
https://www.smarthomebeginner.com/traefik-v3-docker-compose-guide-2024/
Good news, they support OIDC! Haven’t tested it myself so your mileage may vary.
https://headscale.net/oidc/#basic-configuration