The path problem of django media file

problem description

version note: python3.6.5 django 2.0.8 django restframework 3.8
WeChat Mini Programs development, using django as the backend. In the program for processing photos, when the picture is uploaded through the ImageField field, the picture url returned through django restframework begins with http instead of https (the site uses the https protocol)

Field Settings :

image = models.ImageField(upload_to="themes/%Y/%m/%d", null=True, blank=True)

media related settings :

MEDIA_ROOT = os.path.join(BASE_DIR, "media/")
MEDIA_URL = "/w3/media/"

the expected image field value for a model instance

"https://img.codeshelper.com/upload/img/2021/10/12/jxukjw4t4cc105.jpg"

actual return value:

"http://mysite.com/w3/media/themes/2018/11/01/example.jpg"

Nginx django python

Oct.12,2021

customize ImageField and re-implement the to_representation method.

from django.conf import settings
from rest_framework import serializers

domain = 'mysite.com'

class HttpsImageField(serializers.ImageField):
    def to_representation(self, value):
        return 'https://{}{}{}'.format(domain, settings.MEDIA_URL, str(value))
        
class MySerializer(serializers.ModelSerializer):
    ...
    image = HttpsImageField(use_url=False)
    ...

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b369a5-2c01d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b369a5-2c01d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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