A way to explore flatterer features without needing to learn all the command line options and get visual feedback of the flattened data.
To configure the webserver, the following environment variables can be set:
PORT: Port of webserver, defaults to 8080.
HOST: Host of webserver, localhost (127.0.0.1).
MAX_SIZE: Size in MB as the maximum size of the file the interface will accept. Defaults to 500.
NO_BROWSER: Set to any value so that a browser window in not automatically opened when running the webserver.