Hello
I noticed our DEV branch is getting a new random subdomain for each deployment
I wonder if it’s possible to set a custom subdomain for DEV branch like we did for MAIN branch in Cloudflare Pages?
2 Likes
Hi!
It can be done, although it’s not at all documented.
Two steps:
- add the domain you want to use as a custom domain in Pages, the normal way to add any domain.
- point the CNAME to
branch-name.[subdomain].pages.dev.
It works for me just fine, you might need a little bit of time for the certificate to issue.
3 Likes
it seems to work … but in fact it’s just serving the prod version 
It definitely does for me as the “main” brach is non-working (it’s still the default repo), but the “development” one is.
Can you post a screenshot of the DNS records + the Pages Custom Domains configuration?
Do redact private infos your don’t want public.
It’s seems as a new user on this forum I’m not allowed to post images …
So I will provide details in text here:
my main branch is on subdomain “dash” and the CNAME is pointing to “elestio-dashboard.pages.dev”
I have added the CNAME “dash-dev” pointing to “dev.elestio-dashboard.pages.dev” because my other branch is named “dev”
In “pages custom domains” I do see dash.elest.io and dash-dev.elest.io both active
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