| `DS_ANALYZER_IMAGES` | Comma separated list of custom images. The official default images are still enabled. Read more about [customizing analyzers](analyzers.md). |
| `DS_ANALYZER_IMAGE_PREFIX` | Override the name of the Docker registry providing the official default images (proxy). Read more about [customizing analyzers](analyzers.md). |
| `DS_ANALYZER_IMAGE_TAG` | Override the Docker tag of the official default images. Read more about [customizing analyzers](analyzers.md). |
| `DS_PYTHON_VERSION` | Version of Python. If set to 2, dependencies are installed using Python 2.7 instead of Python 3.6. ([Introduced](https://gitlab.com/gitlab-org/gitlab-ee/issues/12296) in GitLab 12.1)|
| `DS_DEFAULT_ANALYZERS` | Override the names of the official default images. Read more about [customizing analyzers](analyzers.md). |
| `DS_DISABLE_REMOTE_CHECKS` | Do not send any data to GitLab. Used in the [Gemnasium analyzer](#remote-checks). |
| `DS_PULL_ANALYZER_IMAGES` | Pull the images from the Docker registry (set to `0` to disable). |