@@ -308,9 +308,15 @@ This defines the rkt parameters.
| Parameter | Description |
| --------- | ----------- |
| `image` | name of the default container image to run the build in if no image is specified in [`.gitlab-ci.yml`][yaml] |
| `helper_image` | name of the helper image to use for cloning the repository and down- and uploading build artifacts. This image **must** have `bash` and `git` installed |
| `image_pubkey_fingerprint` | fingerprint of the public key for verification of the default build image |
| `image_pubkey_uri` | URI of the gpg key-server for verification of the default build image |
| `insecure_image` | if disabled users must provide a gpg key fingerprint to verify their build image |
| `allowed_images` | list of images that can be specified in .gitlab-ci.yml. If not present all images are allowed. |
| `rkt_options` | [arbitrary options](../executors/rkt.md#configuring-arbitrary-rkt-options) to be passed to rkt commands |
| `helper_image` | [ADVANCED] Override the default helper image used to clone repos and upload artifacts. This image **must** have `bash` and `git` and gitlab-runner-helper installed |
| `helper_image_pubkey_fingerprint` | fingerprint of the public key for verification of the helper image |
| `helper_image_pubkey_uri` | URI of the gpg key-server for verification of the helper image |