Thanks for the guide, helpful since I also sometimes use Vultr, and always Cloudflare.
One thing to point out in the opening of your guide:
Ghost 6.0 comes with official Docker tooling to use instead of the CLI. It’s required if you want the ActivityPub features.
It’s the new Tinybird analytics feature that requires Docker, not ActivityPub. ActivityPub works for Ghost-CLI installs, it just has some limits Happy Ghost 6.0 Day 🎉! Quick question - #2 by Hannah