<!-- Code generated from the comments of the Config struct in builder/docker/config.go; DO NOT EDIT MANUALLY -->

- `commit` (bool) - If true, the container will be committed to an image rather than exported.

- `discard` (bool) - Throw away the container when the build is complete. This is useful for
  the [artifice
  post-processor](/docs/post-processors/artifice).

- `export_path` (string) - The path where the final container will be exported as a tar file.

- `image` (string) - The base image for the Docker container that will be started. This image
  will be pulled from the Docker registry if it doesn't already exist.

- `message` (string) - Set a message for the commit.
