Workaround for Heroku no longer supporting SSL behind Cloudflare (“Strict TLS in CDN not supported”)?
问题 A few days ago we received the error "Strict TLS in CDN not supported" on 1 Heroku app that's behind Cloudflare's proxy (orange cloud, if you know Cloudflare). Basically, client requests to https://foo.example.com are proxied through Cloudflare, who then make the requests to https://foo.herokuapp.com, caches the response, and passes the result back to the client. Notice that the entire chain is over HTTPS. We've configured Clouflare to only communicate with the end server over HTTPS, and we