Start a Dask Gateway server

Subcommands
===========
Subcommands are launched as `dask-gateway-server cmd [args]`. For information on
using subcommand 'cmd', do: `dask-gateway-server cmd -h`.

generate-config
    Generate a default config file
proxy
    Start the proxy
kube-controller
    Start the k8s controller

Options
=======
The options below are convenience aliases to configurable class-options,
as listed in the "Equivalent to" description-line of the aliases.
To see all configurable class-options for some <cmd>, use:
    <cmd> --help-all

--debug
    Set log-level to debug, for the most verbose logging.
    Equivalent to: [--Application.log_level=10]
--show-config
    Show the application's configuration (human-readable format)
    Equivalent to: [--Application.show_config=True]
--show-config-json
    Show the application's configuration (json format)
    Equivalent to: [--Application.show_config_json=True]
--log-level=<Enum>
    Set the log level by value or name.
    Choices: any of [0, 10, 20, 30, 40, 50, 'DEBUG', 'INFO', 'WARN', 'ERROR', 'CRITICAL']
    Default: 'INFO'
    Equivalent to: [--DaskGateway.log_level]
-f=<Unicode>
    The config file to load
    Default: 'dask_gateway_config.py'
    Equivalent to: [--DaskGateway.config_file]
--config=<Unicode>
    The config file to load
    Default: 'dask_gateway_config.py'
    Equivalent to: [--DaskGateway.config_file]

Examples
--------

    Start the server with config file ``config.py``

            dask-gateway-server -f config.py

To see all available configurables, use `--help-all`.