[PYTHON] [Django] css in the project cannot be read
Event
I accessed the Django management site in my local development environment, The css (static file) could not be read on the management site as shown below.
Prerequisites
Python 3.7.4
Django 2.2.6
virtualenv 16.1.0
analysis
HTTP log
$ python manage.py runserver
Performing system checks...
System check identified no issues (0 silenced).
November 02, 2019 - 16:45:33
Django version 2.2.6, using settings 'studysite.settings'
Starting development server at http://127.0.0.1:8000/
Quit the server with CONTROL-C.
[02/Nov/2019 16:24:55] "GET /admin/ HTTP/1.1" 200 3080
[02/Nov/2019 16:24:55] "GET /static/admin/css/responsive.css HTTP/1.1" 404 77
[02/Nov/2019 16:24:55] "GET /static/admin/css/dashboard.css HTTP/1.1" 404 77
[02/Nov/2019 16:24:55] "GET /static/admin/css/base.css HTTP/1.1" 404 77
Apparently css can't be read.
I checked settings.py to find out the cause.
settings.py
# snip
DEBUG = False
ALLOWED_HOSTS = ['localhost','0.0.0.0']
# snip
The above DEBUG = False was suspicious, so if you set it to True, css can be read.
DEBUG = False is supposed to be a production environment, and it seems that static files are read from a web server such as nginx.
counter-measure
In order for css to be loaded, it is necessary to support ** either ** of the following two.
1. Set DEBUG = True in settings.py
If set to True, css in the project will also be loaded.
2. Use the python manage.py runserver --insecure command
With the --insecure option, the css in your project will be loaded.
bonus
settings.py
DEBUG = False
ALLOWED_HOSTS = ['*']
Css was not applied with this setting. It seems that css cannot be read just by setting ALLOWED_HOSTS arbitrarily.
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