استفاده از Imgproxy در برنامه Django

import os
ENDPOINT     = os.getenv("ENDPOINT", 'http://127.0.0.1:8000')
IMGPROXY_URL = os.getenv("IMGPROXY_URL", "")

ENDPOINT=https://django-app-test.liara.run
IMGPROXY_URL=https://imgproxy-app.liara.run

from django.db import models
from django.conf import settings

img_proxy_conf = {
  "signature": "_",
  "options": "resize:fill:300:400:0",
  "gravity": "gravity:sm",}

class Image(models.Model):
  title = models.CharField(max_length=100)
  image = models.ImageField(upload_to='')
  full_path = models.CharField(max_length=255)
  final_result = models.CharField(max_length=255)

  def save(self, *args, **kwargs):
      if self.image:
          self.full_path = f"{settings.ENDPOINT}{self.image.url}"
          if settings.IMGPROXY_URL != "":
              self.final_result = (
                  f"{settings.IMGPROXY_URL}/{img_proxy_conf['signature']}/"
                  f"{img_proxy_conf['options']}/{img_proxy_conf['gravity']}/plain/"
                  f"{self.full_path}")
          else:
              self.final_result = self.image.url
      super().save(*args, **kwargs)