[Solved]-Django's HttpResponseRedirect is http instead of https


In the nginx configuration (inside the location block), specify this:

proxy_redirect off;
proxy_set_header X-Forwarded-Proto $scheme;

The proxy_redirect tells nginx that, if the backend returns an HTTP redirect, it should leave it as is. By default, nginx assumes the backend is stupid and tries to be smart; if the backend returns an HTTP redirect that says “redirect to http://localhost:8000/somewhere“, nginx replaces it with something similar to http://yourowndomain.com/somewhere“. But Django isn’t stupid (or it can be configured to not be stupid).

Django does not know whether the request has been made through HTTPS or plain HTTP; nginx knows that, but the request it subsequently makes to the Django backend is always plain HTTP. We tell nginx to pass this information with the X-Forwarded-Proto HTTP header, so that related Django functionality such as request.is_secure() works properly. You will also need to set SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https') in your settings.py.

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