After my foray into self hosting with Caddy, I've worked out how to secure things with SSO and MFA. I've written up a simple configuration guide after it took me a while to work it out.
https://jmb.me.uk/articles/adding_sso_to_caddy/
Mastodon is the best way to keep up with what's happening.
Follow anyone across the fediverse and see it all in chronological order. No algorithms, ads, or clickbait in sight.