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Add Support for FLASK_ENV (#2570)

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This introduces environments to Flask
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Armin Ronacher 2018-01-06 17:07:56 +01:00 • committed by GitHub
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docs/cli.rst
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@ -116,6 +116,16 @@ context will be active, and the app instance will be imported. ::
Use :meth:`~Flask.shell_context_processor` to add other automatic imports.
Environments
------------
.. versionadded:: 1.0
The environment in which the Flask app should run is set by the
:envvar:`FLASK_ENV` environment variable. If not set it defaults to
``production``. The other default environment which is known is
``development``. If the env is set to ``development`` the debug mode is
for instance automatically enabled.
Debug Mode
----------
@ -123,11 +133,14 @@ Debug Mode
Set the :envvar:`FLASK_DEBUG` environment variable to override the
application's :attr:`~Flask.debug` flag. The value ``1`` enables it, ``0``
disables it. Forcing the debug flag on also enables the debugger and reloader
when running the development server. ::
when running the development server.
::
$ FLASK_DEBUG=1 flask run
* Serving Flask app "hello"
* Forcing debug mode on
* Env production
* Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)
* Restarting with inotify reloader
* Debugger is active!