Composer generates custom images suitable for deploying systems or uploading to the cloud. It integrates into Cockpit as a frontend for Lorax Composer.

Here are the release notes from version 0.2.0:
  - Include ability to add a user to a blueprint
  - Fix issue when blueprint contents include a package with more than one arch
  - Fix issue with loading contents in Export modal on Blueprints page

You can get Composer here:
https://github.com/weldr/welder-web/tree/0.2.0#cockpit-composer 

Composer is available in Fedora 30:
https://bodhi.fedoraproject.org/updates/cockpit-composer-0.2.0-1.fc30

Or download the tarball here:
https://github.com/weldr/welder-web/releases/tag/0.2.0 

Regards,
Jenn Giardino

Jenn Giardino  
Senior Interaction Designer
User Experience Design Team
Red Hat, Inc.
1-919-716-5045