| `image` / `BRU_IMAGE` | The Docker image used to run the [Bruno CLI](https://docs.usebruno.com/bru-cli/overview). | `docker.io/library/node:lts-alpine`<br/>[](https://to-be-continuous.gitlab.io/doc/secu/trivy-BRU_IMAGE) |
| `version` / `BRU_VERSION` | The version of Bruno to use (leave empty to use latest) | _none_ |
| `collections` / `BRU_COLLECTIONS` | The matcher to select Bruno collection directory(ies) to run. | `bruno` |
| `base-url` / `BRU_BASE_URL` | Explicit base url environment to test.<br/>_Auto-evaluated by default ([see below chapter](#base-url-auto-evaluation))._ | _none_ (auto-evaluated) |
| `extra-args` / `BRU_EXTRA_ARGS` | Bruno extra [run options](https://docs.usebruno.com/bru-cli/overview#options) | _none_ |