Yes!

"Today we're introducing Wildebeest, an open-source, easy-to-deploy #ActivityPub and Mastodon-compatible server built entirely on top of Cloudflare's Supercloud. If you want to run your own spot in the Fediverse you can now do it entirely on Cloudflare."

https://blog.cloudflare.com/welcome-to-wildebeest-the-fediverse-on-cloudflare/