Deploy Django App in Sub Directory Using OpenShift

Deploy your Django application in sub directory ie at path '/your-path' using OpenShift

Deploy Django App in Sub Directory Using OpenShift

When you are using OpenShift, you will be using routes to expose a route from a service. Let’s say you want to expose a path in When you do that for a django application(without any reverse proxy server), it usually becomes a problem, because the sub directory does not work well with Django’s urls. You will probably face error 404 page not found.

If you are not using NGINX/Apache or any other reverse proxy server to serve the django application, you will not be able to set X-SCRIPT-NAME. To me, it does not make sense to use reverse proxy in pods when OpenShift provides routes(or ingress in kubernetes) using NGINX/HA-Proxy(depending on your setup).

In this situation, I have used the following solution:

Disable Namespace Ownership Check in Router

You need to patch the router in OpenShift before starting any step(from OpenShift 3.9). By disabling Ownership check, you can allow a service to use a even if there is another service taking You can do it like this(from documentation):

oc adm router ... --disable-namespace-ownership-check=true

FYI: this also works in OKD as well.


I have set FORCE_SCRIPT_NAME in Usually I fetched the value from environment varibles, which I have set in the Deployment Config:

FORCE_SCRIPT_NAME = os.environ.get('DJANGO_FORCE_SCRIPT_NAME', '/subdirectory')  # without trailing slash

Using FORCE_SCRIPT_NAME will configure django’s url in path /subdirectory. But it is not sufficient to serve the django application in sub path, as SCRIPT_NAME in requests are not updated, also it will show some erratic behaviour such as showing double entry of /subpath in url, 404 Page not found issues etc. To fix this, lets go to the second step:


Lets update the file like this:

import os
from django.core.wsgi import get_wsgi_application
from django.conf import settings

os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'dummy.settings')
_application = get_wsgi_application()

# Here is the important part
def application(environ, start_response):
    script_name = getattr(settings, 'FORCE_SCRIPT_NAME', None)
    if script_name:
        environ['SCRIPT_NAME'] = script_name
        path_info = environ['PATH_INFO']
        if path_info.startswith(script_name):
            environ['PATH_INFO'] = path_info[len(script_name):]

    scheme = environ.get('HTTP_X_SCHEME', '')
    if scheme:
        environ['wsgi.url_scheme'] = scheme

    return _application(environ, start_response)

In above code, we are getting the value of script_name from FORCE_SCRIPT_NAME, then putting that value in wsgi environ(environment variable).

Big thanks to

I got the implementation idea from this Stack Overflow answer. Big thanks to @whp.

That is it for today, hope it helps. If you have a better approach to resolve this problem please make a comment in comment section below.

Last updated: Apr 30, 2021

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