prefer --app over FLASK_APP in docs

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David Lord 2022-06-17 09:26:26 -07:00
parent 99fa3c36ab
commit ab1fbef29a
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15 changed files with 147 additions and 580 deletions

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@ -196,15 +196,13 @@ previous page.
If you're still running the server from the previous page, you can
either stop the server, or run this command in a new terminal. If
you use a new terminal, remember to change to your project directory
and activate the env as described in :doc:`/installation`. You'll
also need to set ``FLASK_APP`` and ``FLASK_ENV`` as shown on the
previous page.
and activate the env as described in :doc:`/installation`.
Run the ``init-db`` command:
.. code-block:: none
$ flask init-db
$ flask --app flaskr init-db
Initialized the database.
There will now be a ``flaskr.sqlite`` file in the ``instance`` folder in

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@ -48,35 +48,9 @@ Pip will install your project along with its dependencies.
Since this is a different machine, you need to run ``init-db`` again to
create the database in the instance folder.
.. tabs::
.. code-block:: text
.. group-tab:: Bash
.. code-block:: text
$ export FLASK_APP=flaskr
$ flask init-db
.. group-tab:: Fish
.. code-block:: text
$ set -x FLASK_APP flaskr
$ flask init-db
.. group-tab:: CMD
.. code-block:: text
> set FLASK_APP=flaskr
> flask init-db
.. group-tab:: Powershell
.. code-block:: text
> $env:FLASK_APP = "flaskr"
> flask init-db
$ flask --app flaskr init-db
When Flask detects that it's installed (not in editable mode), it uses
a different directory for the instance folder. You can find it at
@ -127,7 +101,7 @@ first install it in the virtual environment:
$ pip install waitress
You need to tell Waitress about your application, but it doesn't use
``FLASK_APP`` like ``flask run`` does. You need to tell it to import and
``--app`` like ``flask run`` does. You need to tell it to import and
call the application factory to get an application object.
.. code-block:: none

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@ -135,43 +135,13 @@ exception, and restarts the server whenever you make changes to the
code. You can leave it running and just reload the browser page as you
follow the tutorial.
.. tabs::
.. code-block:: text
.. group-tab:: Bash
.. code-block:: text
$ export FLASK_APP=flaskr
$ export FLASK_ENV=development
$ flask run
.. group-tab:: Fish
.. code-block:: text
$ set -x FLASK_APP flaskr
$ set -x FLASK_ENV development
$ flask run
.. group-tab:: CMD
.. code-block:: text
> set FLASK_APP=flaskr
> set FLASK_ENV=development
> flask run
.. group-tab:: Powershell
.. code-block:: text
> $env:FLASK_APP = "flaskr"
> $env:FLASK_ENV = "development"
> flask run
$ flask --app flaskr --env development run
You'll see output similar to this:
.. code-block:: none
.. code-block:: text
* Serving Flask app "flaskr"
* Environment: development
@ -179,7 +149,7 @@ You'll see output similar to this:
* Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)
* Restarting with stat
* Debugger is active!
* Debugger PIN: 855-212-761
* Debugger PIN: nnn-nnn-nnn
Visit http://127.0.0.1:5000/hello in a browser and you should see the
"Hello, World!" message. Congratulations, you're now running your Flask

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@ -109,7 +109,7 @@ You can observe that the project is now installed with ``pip list``.
wheel 0.30.0
Nothing changes from how you've been running your project so far.
``FLASK_APP`` is still set to ``flaskr`` and ``flask run`` still runs
``--app`` is still set to ``flaskr`` and ``flask run`` still runs
the application, but you can call it from anywhere, not just the
``flask-tutorial`` directory.