# docker buildx debug-shell Start a monitor ### Options | Name | Type | Default | Description | |:------------------|:---------|:--------|:-----------------------------------------------------------------------------------------| | `--builder` | `string` | | Override the configured builder instance | | `--detach` | | | Detach buildx server (supported only on linux) | | `--progress` | `string` | `auto` | Set type of progress output (`auto`, `plain`, `tty`). Use plain to show container output | | `--root` | `string` | | Specify root directory of server to connect | | `--server-config` | `string` | | Specify buildx server config file (used only when launching new server) |