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remove FLASK_ENV from docs

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David Lord 2022-08-01 15:11:35 -07:00
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docs/cli.rst
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@ -71,7 +71,7 @@ Run the Development Server
The :func:`run <cli.run_command>` command will start the development server. It
replaces the :meth:`Flask.run` method in most cases. ::
$ flask run
$ flask --app hello run
* Serving Flask app "hello"
* Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)
@ -86,6 +86,42 @@ server tries to start. See :ref:`address-already-in-use` for how to
handle that.
Debug Mode
~~~~~~~~~~
In debug mode, the ``flask run`` command will enable the interactive debugger and the
reloader by default, and make errors easier to see and debug. To enable debug mode, use
the ``--debug`` option.
.. code-block:: console
$ flask --app hello --debug run
* Serving Flask app "hello"
* Debug mode: on
* Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)
* Restarting with inotify reloader
* Debugger is active!
* Debugger PIN: 223-456-919
Watch and Ignore Files with the Reloader
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
When using debug mode, the reloader will trigger whenever your Python code or imported
modules change. The reloader can watch additional files with the ``--extra-files``
option. Multiple paths are separated with ``:``, or ``;`` on Windows.
.. code-block:: text
$ flask run --extra-files file1:dirA/file2:dirB/
* Running on http://127.0.0.1:8000/
* Detected change in '/path/to/file1', reloading
The reloader can also ignore files using :mod:`fnmatch` patterns with the
``--exclude-patterns`` option. Multiple patterns are separated with ``:``, or ``;`` on
Windows.
Open a Shell
------------
@ -102,66 +138,6 @@ 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 executes is set by the
``FLASK_ENV`` environment variable. When using the ``flask`` command, it
can also be set with the ``--env`` option. If not set it defaults to
``production``. The other recognized environment is ``development``.
Flask and extensions may choose to enable behaviors based on the
environment.
If the env is set to ``development``, the ``flask`` command will enable
debug mode and ``flask run`` will enable the interactive debugger and
reloader.
.. code-block:: text
$ flask --app hello --env development run
* Serving Flask app "hello"
* Environment: development
* Debug mode: on
* Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)
* Restarting with inotify reloader
* Debugger is active!
* Debugger PIN: 223-456-919
Watch Extra Files with the Reloader
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
When using development mode, the reloader will trigger whenever your
Python code or imported modules change. The reloader can watch
additional files with the ``--extra-files`` option. Multiple paths are
separated with ``:``, or ``;`` on Windows.
.. code-block:: text
$ flask run --extra-files file1:dirA/file2:dirB/
* Running on http://127.0.0.1:8000/
* Detected change in '/path/to/file1', reloading
Ignore files with the Reloader
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The reloader can also ignore files using :mod:`fnmatch` patterns with
the ``--exclude-patterns`` option. Multiple patterns are separated with
``:``, or ``;`` on Windows.
Debug Mode
----------
Debug mode will be enabled when the execution environment is
``development``, as described above. If you want to control debug mode
separately, use the ``--debug/--no-debug`` option or the ``FLASK_DEBUG``
environment variable.
.. _dotenv:
Environment Variables From dotenv