Howto resolve issues with subdomain setup and err_too_many_redirects on DataHub Cloud

[rufuspollock]

When i setup a subdomain i have sometimes had an issue that the site does not work and i have the error about "too many redirects"

[rufuspollock]

Solution

DataHub Cloud is hosted on vercel and my domain is on Cloudflare so looks like this is related to:

https://vercel.com/guides/resolve-err-too-many-redirects-when-using-cloudflare-proxy-with-vercel

It states the solution is:

To fix the issue, you need to set the "SSL/TLS" option in Cloudflare to "Full". It is important to also follow the instructions in our Cloudflare guide so the domain keeps working without any issues.

Bonus: Flexible and Full SSL on the same domain on Cloudflare is possible

Another issue i've had is that i can't apply "SSL/TLS" option to strict on my entire domain because other sites require flexible.

In this case you can use configuration rules in Cloudflare to set just one specific subdomain to Full.