Usage:
  remarker [options] serve      Serves all the assets at localhost
  remarker [options] build      Builds all the assets to the dest

Options:
  -h, --help                    Shows the help message and exits
  -v, --version                 Shows the version number and exits
  -s, --source <path>           Specifies the slide's markdown file.
                                This overrides 'source' property of the config file.
  -o, --out <filename>          The output filename of the slides. Default is index.html.
  -d, --dest <path>             The destination directory for built slides.
  -p, --port <number>           The port number for dev server.
  -b, --open-browser            Open the browser to the page when server starts. Default is false.

See https://npm.im/remarker for more details.