| action_version | Version of the action container to run | no | — |
| additional_templates | Space delimited list of additional Lorax templates to include | no | — |
| arch | Architecture for image to build | yes | x86_64 |
| dnf_cache_key | Overrides the dnf cache key | no | — |
| enable_cache_dnf | Whether to enable caching for dnf | no | true |
| enable_cache_skopeo | Whether to enable caching for skopeo | no | false |
| enable_flatpak_dependencies | Whether to enable automatically determining Flatpak dependencies | no | true |
| enrollment_password | Used for supporting secure boot (requires SECURE_BOOT_KEY_URL to be defined) | no | container-installer |
| extra_boot_params | Extra params used by grub to boot the anaconda installer | no | — |
| flatpak_remote_name | Name of the Flatpak repo on the destination OS | no | flathub |
| flatpak_remote_refs | Space separated list of flatpak refs to install | no | "" |
| flatpak_remote_refs_dir | Directory that contains files that list the flatpak refs to install | no | "" |
| flatpak_remote_url | URL of the flatpakrepo file | no | https://flathub.org/repo/flathub.flatpakrepo |
| image_name | Name of the source container image | yes | base |
| image_repo | Repository containing the source container image | yes | quay.io/fedora-ostree-desktops |
| image_signed | Whether the container image is signed. The policy to test the signing must be configured inside the container image | no | true |
| image_src | Overrides the source of the container image. Must be formatted for the skopeo copy command | no | — |
| image_tag | Tag of the source container image | no | — |
| iso_name | Name of the ISO you wish to output when completed | no | build/deploy.iso |
| make_target | Overrides the default make target | no | — |
| repos | List of repo files for Lorax to use | no | — |
| rootfs_size | The size (in GiB) for the squashfs runtime volume | — | 2 |
| secure_boot_key_url | Secure boot key that is installed from URL location | no | — |
| skopeo_cache_key | Overrides the skopeo cache key | no | — |
| variant | Source container variant. Available options can be found by running `dnf provides system-release`. Variant will be the third item in the package name. Example: `fedora-release-kinoite-39-34.noarch` will be kinoite | yes | Server |
| version | Fedora version of installer to build | yes | 39 |
| web_ui | Enable Anaconda WebUI | no | false |