Writing content for your Antora site In the note about publishing I described how the final published site gets built.
However in reality you will want to preview your work locally before you push to the published site.
Antora supports an author mode of working where it builds a site based on local clone(s) of the content project(s) (as opposed to fetching a specified branch or tag from the published repository/repositories at build time.
Approaches for publishing Antora projects to websites on Netlify and Azure
Setting up a basic Antora process
Managing documentation using code tools
Docs-as-code websites with Antora