- Added oidc feature flag in config
- Removed obsolete credentials schema (initial_root_password)
- Updated docker-compose.yml.j2 to use explicit GITLAB_* vars (image, version, container, volumes)
- Moved initial_root_password into vars/main.yml
- Introduced GITLAB_OMNIBUS_BASE and GITLAB_OMNIBUS_OIDC config lists
- Switched env.j2 to use GITLAB_OMNIBUS_ALL join
See conversation: https://chatgpt.com/share/68b1962c-3ee0-800f-a858-d4590ff6132a