I think you are misunderstanding. You may want to learn more about how onion services work but in the blog post, the hosting service is the author's server/host

I think you are misunderstanding. You may want to learn more about how onion services work but in the blog post, the hosting service is the author's server/host running Caddy. https://community.torproject.org/onion-services/overview/ https://community.torproject.org/onion-services/overview/