Does the action support custom domains?

[p0fi]

I would like my previews to be deployed under the same domain as my main site. Basically https://example.com/pr-preview/pr-[number]/ instead of https://[owner].github.io/[repo]/pr-preview/pr-[number]/.

Is that possible?

[vitormattos]

You will need to adjust your deploy flow to do this and also will be necessary to create a robots.txt to be possible prevent the indexing of pages inside pr-preview path.

[rossjrw]

The action deploys to your GitHub Pages site. If your Pages site deploys to a custom domain, then the preview deploys to that custom domain, because the files just go in a subdirectory.

Can you share some more details about your setup? Are you already using this action and this isn't the behaviour you're seeing?