Questions tagged [django]
Django, "the web framework for perfectionists with deadlines", is a Python-based framework for creating web applications. With a powerful object-based database mapper, a clean syntax for mapping URLs to views, a simple template language and a convenient automatically generated administration interface, Django is the most popular of the Python web frameworks.
1,019
questions
290
votes
4
answers
118k
views
Why do I need Nginx and something like Gunicorn?
I'm looking for an overly simplified answer to the following question. I'm trying to build a foundational understanding of how Nginx works alongside something like Gunicorn.
Do I need both Nginx and ...
- 3,005
88
votes
2
answers
35k
views
Why do I need nginx when I have uWSGI
There are many tutorials on how to configure nginx to cooperate with uWGSI when I want to deploy Django application.
But why do I need nginx in this kit? uWSGI itself can serve WSGI Python ...
- 1,127
75
votes
9
answers
291k
views
Why do I get sqlite error, "unable to open database file"?
Using my Django app, I'm able to read from the database just fine. When the application didn't have permission to access the file, it gave me this error:
attempt to write a readonly database
Which ...
- 5,136
48
votes
3
answers
21k
views
Why is setting Nginx as a reverse proxy a good idea?
I have a Django site running on Gunicorn with a reverse proxy through Nginx.
Isn't Nginx just an extra unnecessary overhead?
How does adding that on top of Gunicorn help?
- 605
46
votes
5
answers
49k
views
How do I make uWSGI restart when a Python script is modified?
Can't remember where, but I read uWSGI can reload itself like Django development server when a project script is modified. I can't find that in the docs, nor in the internets. How can I do this?
I ...
- 575
27
votes
2
answers
22k
views
How many processes should I specify in a WSGIDaemonProcess while running Django through mod_wsgi?
Let's say I have 2 sites(Superuser and Serverfault) running from their own Apache virtual host on one box. The 2 sites are powered by Django and are running on Apache with mod-wsgi. A typical ...
- 6,281
24
votes
1
answer
14k
views
Django: CONN_MAX_AGE persists connections, but doesn't reuse them with PostgreSQL
I've got a django setup are using Django 1.6.7 and Postgres 9.3 on Ubuntu 14.04 LTS.
At any given time, the site gets about ~250 simultaneous connections to the PostgreSQL database, which is a Quad ...
- 793
21
votes
6
answers
54k
views
Why is Nginx more popular than lighttpd?
I'd like to use Lighttpd in production for serving Django apps but i see that these days Nginx is more and more popular. Why is that? I'm aware that in the past Lighttpd had memory leaks but isn't ...
- 1,215
18
votes
4
answers
21k
views
Which is best for Django? Lighttpd or Nginx? Or maybe something else? [closed]
Which of Lighttpd and Nginx is, basing on your experience, better suited for Django? I've used both and can hardly notice any difference at all, they just work fine... Are there any use cases when one ...
18
votes
5
answers
27k
views
WSGI : Truncated or oversized response headers received from daemon process
System Configuration : Apache2, Django 1.10, Python 3, Ubuntu 16.04 LTS
Django debug=True.
/var/log/apache2/error.log
[52:53.057967] [wsgi:error] [pid 4303] [client 1.1.1.22:24409] Timeout when ...
- 449
16
votes
2
answers
23k
views
Wiring uWSGI to work with Django and nginx on Ubuntu 16.04
I am trying to follow this tutorial to setup uWSGI with Django and nginx on Ubuntu16.04.
It all works fine up until the very last step (oh the irony...) where I try to execute this command:
sudo ...
15
votes
2
answers
5k
views
Not seeing Django logs on Heroku
I'm not seeing log entries (at a level of INFO) made by Django in my Heroku logs.
This is my configuration:
LOGGING = {
'version': 1,
'disable_existing_loggers': False,
'filters': {
...
- 5,261
14
votes
4
answers
3k
views
Deploying Django App with Nginx, Apache, mod_wsgi
I have a django app which can run locally using the standard development environment. I want to now move this to EC2 for production. The django documentation suggests running with apache and ...
- 241
13
votes
4
answers
8k
views
Nginx Varnish Nginx Django?
I have a django app and I want to to setup Varnish on a server in front of it. In another serverfault thread somebody suggested putting Nginx in front of Varnish.
Should I put Nginx in front of ...
- 491
13
votes
3
answers
77k
views
Help me understand how to use ProxyPass
UPDATE: I added a revised question after playing around with it two answers below.
Hi there,
If you're reading this you're probably familiar with Apache's mod_proxy and its ProxyPass function. Like ...
Bartek
12
votes
6
answers
3k
views
Is there a Heroku for Django?
I've been looking into Heroku as a hosting provider. I'm specifically interested in its ease of deployment and ability to scale up and scale down resources as needed.
Is there a hosting solution ...
- 734
11
votes
3
answers
8k
views
How to set up Django with IIS 8?
I have tried in the past to get Django running under IIS 8 in Windows 8 Developer Preview. Now that the Consumer Preview of Windows 8 is out, I was wondering if I could get some detailed instructions ...
- 2,725
11
votes
1
answer
7k
views
Storing username in nginx logs
Is there a way in which user-name or user-id can be stored in nginx logs. I tried inserting $remote_user in the log_format directive but it doesn't seem to work.
- 113
11
votes
5
answers
8k
views
Amazon EC2 Ami recommendations for free tier?
Amazon web services recently introduced a free tier, where you basically get free stuff to try out AWS and run tiny sites and projects. Basically it's free as long as you remain below a certain limit ...
- 447
11
votes
1
answer
9k
views
Risks of using django manage.py runserver for production in a small scale server, for internal use?
I am writing a small web-app with django. It will have no more than 200 users, all internal to my company. I want to set it up as quickly as possible. I am new to django and web-apps.
As I read ...
- 373
10
votes
2
answers
4k
views
High CPU load on Django/Apache/mod_wsgi site
Load testing a django 1.21/Apache/mod_wsgi configuration on an AWS small instance (Ubuntu 10.04) with Apache bench is showing extremely high CPU load (using uptime and vmstat) at low concurrent ...
- 121
10
votes
4
answers
2k
views
nginx + fastCGI + Django - getting data corruption in the responses sent to the client
I am running Django behind nginx using FastCGI. I have discovered that in some of the responses sent to the client, random data corruption is occurring in the middle of the responses (might be a ...
- 273
9
votes
2
answers
33k
views
nginx not serving admin static files?
Clarification: The following error is onlyfor the admin static files, i.e. it is specific to the static files corresponding to the Django admin. The rest of the static files are working perfectly.
...
- 191
9
votes
3
answers
20k
views
Invalid HTTP_HOST header. The domain name provided is not valid according to RFC 1034/1035
I am getting Invalid HTTP_HOST header error on my server. I don't understand why it's happening and how to fix it. Everytime it happens backend stops working and I have to restart the server.
Any help ...
- 93
9
votes
3
answers
4k
views
How to explain Django/Python installation to Python-newbie running a shared IIS server [closed]
For reasons beyond my control, our website is hosted with a hosting provider that uses IIS for their servers. They currently offer PHP and ASP, and also Python and Perl through cgi-scripts.
I want to ...
- 217
9
votes
1
answer
6k
views
uWSGI Returning Empty Response
I have a Django site which I am trying to server via uWSGI. I have started the server like so:
uwsgi --emperor .
Ctrl+Z
bg 1
(There are two .ini files which point to the test version and production ...
- 265
9
votes
1
answer
7k
views
Celery Daemon receives unregistered tasks
I installed Celery for my Django project following what the official tutorial / doc says. And it's working fine when I launch celery at the command line, I can see it receiving the tasks and execute ...
- 283
9
votes
1
answer
9k
views
Apache/wsgi "Script timed out before returning headers"
I have a custom Django app that's becoming unresponsive roughly every 5,000 requests. In the apache logs, I see see the following:
Apr 13 11:45:07 www3 apache2[27590]: **successful view render here**
...
- 543
8
votes
3
answers
6k
views
Which Apache package is best for mod_wsgi Django application?
In Ubuntu (and Debian, and other distro) there is a few Apache packages (mpm-event, mpm-prefork, mpm-worker). Which is the most suitable for hosting Django mod_wsgi application on single CPU server? ...
- 183
8
votes
5
answers
17k
views
Why do I get error, Invalid command 'PythonHandler'?
I'm trying to deploy a Django application, but I've hit a brick wall. On Debian (latest), I've run these commands so far:
apt-get install apache2 apache2-doc apache2-mpm-prefork apache2-utils ...
- 5,136
8
votes
4
answers
10k
views
gunicorn + django + nginx unix://socket failed (11: Resource temporarily unavailable)
Running very high volume traffic on these servers configured with django, gunicorn, supervisor and nginx. But a lot of times I tend to see 502 errors. So I checked the nginx logs to see what error and ...
- 81
8
votes
2
answers
15k
views
Long running requests with gunicorn + nginx
I've put together an integration server for our Django-powered application. A few of the features are still experimental, and result in overly long requests.
I'm okay with the poor performance, for ...
- 201
8
votes
1
answer
45k
views
Python/Django/WSGI/Apache - "ImportError: No module named site"
I am trying to use a django application on my local ubuntu machine. However the site doesn't work and my /var/log/apache2/errors.log is filled with messages like this:
ImportError: No module named ...
- 31.9k
8
votes
4
answers
5k
views
How to set environment variables for the CI/CD in GitLab when using Auto DevOps (with GCP Kubernetes)?
I'm having quite a few moving parts here, so, I'm not sure what's wrong yet. I set up my variable this way:
but during the build phase, I get this failure (it's a Django application):
raise ...
- 7,478
8
votes
1
answer
28k
views
psycopg2 not found by django after installing in virtualenv
I want to use postgresql with django so did the following:
sudo apt-get install libpq-dev python-dev
sudo apt-get update
workon myenv
sudo pip install psycopg2
And after configuring my settings.py ...
user236239
8
votes
1
answer
8k
views
What user should run the gunicorn process?
When running a Django application on a Debian server, should you create some sort of application user (e.g. "myappuser") and run the gunicorn process as that user or can/should gunicorn be run as ...
- 340
7
votes
2
answers
12k
views
Setup CNAME for subdomain issue
I would setup for this:
user go to test.example_site1.org
test.example_org1.org it's a CNAME of test.example_org2.org
user will see the page of test.example_org2.org
On the example_org2.org server I ...
- 251
7
votes
1
answer
3k
views
gunicorn not fully reloading after an HUP signal
I'm trying to get a working supervisor/gunicorn/django setup on vagrant. I am using python-watchdog to try and restart gunicorn when code changes happen.
I am using the following supervisor ...
- 793
7
votes
1
answer
5k
views
Running django custom management commands with supervisord
I'd like to use supervisord to run some commands for my Django project but I keep getting the following error:
supervisor.log:
2012-05-18 17:52:15,784 INFO spawnerr: can't find command 'source'
If ...
- 201
7
votes
1
answer
4k
views
Cron job running a Django Python command through a virtual environment not working
I have a crontab file supposedly executing a Django command after loading the project virtual environment:
*/1 * * * * source /home/virtualenvs/mydjangoproject-venv/bin/activate && python /...
- 275
7
votes
4
answers
35k
views
ubuntu + nginx + uwsgi + django No Python application found
I am trying to setup my server with a nginx to uwsgi to django stack, but I am having problems with the uwsgi part.
When I run uwsgi and pass in all the parameters on the command line, it works ...
- 113
7
votes
3
answers
26k
views
Supervisor process exits with 'exit status 1; not expected'
I'm trying to run a gunicorn_django process in supervisor but it always exits immediately, giving this error:
INFO exited: my_app (exit status 1; not expected)
INFO received SIGCLD indicating a ...
- 201
7
votes
1
answer
6k
views
Django + gunicorn + virtualenv + Supervisord issue
I have a strange issue with my virtualenv + gunicorn setup, only when gunicorn is launched via supervisord. I do realize that it may very well be an issue with my supervisord and I would appreciate ...
- 121
7
votes
1
answer
40k
views
How to get nginx to pass HTTP_AUTHORIZATION header to Apache
Am using Nginx as a reverse proxy to an Apache server that uses HTTP Auth. For some reason, I can't get the HTTP_AUTHORIZATION header through to Apache, it seems to get filtered out by Nginx. Hence, ...
- 313
7
votes
1
answer
4k
views
Python Threads and uWSGI Harakiri
I have a webapp that is using an API built on nginx, uWSGI, and Django. Recently I have been seeing a lot of harakiris on a particular API call which does some quick processing and then spawns a few ...
- 181
6
votes
3
answers
6k
views
Using Nginx to Block Connections that aren't addressed to my domain
I am running a django app on AWS elastic beanstalk and I'm getting spammed by bots trying to scan for vulnerabilities. It results in a flood of errors such as:
(Where xx.xxx.xx.xx is my ec2 instance's ...
- 163
6
votes
2
answers
17k
views
nginx+django serving static files
I have followed instruction for setting up django with nginx from the django wiki (https://code.djangoproject.com/wiki/DjangoAndNginx) and have nginx setup as follows (a few name changes to fit my ...
- 63
6
votes
4
answers
15k
views
How do I implement SSL on a private IP?
I am developing a network management product. We ship our product to customers as a VM, which they install on a hypervisor in their network. These VMs are given static, private IP addresses in the ...
- 191
6
votes
2
answers
22k
views
Django doesn't find CSS files for admin pages using uWSGI
Even if I followed the official instructions, when I start a Django test site using uWSGI, CSS files for the admin interface are not loaded. If I open the URL of a CSS file, for example http://...
- 207
6
votes
3
answers
5k
views
Is it possible to run automatically celery at startup?
I have python server based on django and celery. Each time computer restarts, apache2 starts so my server is working, BUT I have to restart celery manually (going to my project directory and executing ...
user35348