Connection website files(content) with Cloudfalre

hi

Domain registrant (its 1st side) had their own dns.
I changed it to CloudFlare (its 2nd side) DNS.
web app located at the 3rd side hosting

so my domain is at the CloudFlare.
website files at the 3rd side hosting

how to make my websit visible?
how to connect CloudFlare and hosting?

A post was merged into an existing topic: How to make content visible?