Site works great if I have the DNS proxy disabled in Cloudflare
(https://learnmandarin.engineer4business.com/)
If I enable the DNS proxy in Cloudflare I get a redirect loop error.
Using Azure Static Web App. I am looking for help to solve this issue so I can use the Cloudflare features.
Since your origin supports valid SSL - make sure your SSL setting is Full or Full Strict if you intend to maintain a valid certificate at the origin. That is covered in more detail the above article.