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Prefer flask run --debug in docs

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Grey Li 2022-08-23 12:44:50 +08:00 • committed by David Lord
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docs/config.rst
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@ -47,15 +47,15 @@ Debug Mode
The :data:`DEBUG` config value is special because it may behave inconsistently if
changed after the app has begun setting up. In order to set debug mode reliably, use the
``--debug`` option on the ``flask`` command. ``flask run`` will use the interactive
``--debug`` option on the ``flask run`` command. ``flask run`` will use the interactive
debugger and reloader by default in debug mode.
.. code-block:: text
$ flask --app hello --debug run
$ flask --app hello run --debug
Using the option is recommended. While it is possible to set :data:`DEBUG` in your
config or code, this is strongly discouraged. It can't be read early by the ``flask``
config or code, this is strongly discouraged. It can't be read early by the ``flask run``
command, and some systems or extensions may have already configured themselves based on
a previous value.