How to output the port after the IP address in a resource URL in Django?

Question

1. How do I add the host port to the URLs in my serialized responses? Django is currently providing them without port so the links are broken.
2. Or, if adding the

Answer 1

I finally found out how to fix the image URLs thanks to this question which is slightly different.

Solution 1

Add the port number in the Host header in the nginx config as follows:

    location / {
        proxy_pass http://hello_django;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $host:1337;                               <<------- HERE
        proxy_redirect off;
    }

Solution 2

Change the Host header in the nginx config to http_host as follows:

    location / {
        proxy_pass http://hello_django;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;                               <<------- HERE
        proxy_redirect off;
    }

In either case, the image URLs are now returned as follows by DRF (image link).

HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 1,
    "next": null,
    "previous": null,
    "results": [
        {
            "id": 2,
            "user": 1,
            "title": "First post",
            "slug": "first",
            "image_url": "http://0.0.0.0:1337/mediafiles/publisher/background.gif",    <----HERE
            "content": "Second post content.",
            "draft": false,
            "publish": "2019-05-22",
            "updated": "2019-05-22T09:41:36.257605Z",
            "timestamp": "2019-05-22T07:58:01.471534Z"
        }
    ]
}