More secure cookies with Django >= 4.2:

# set cookie with **Request**:
request.get_signed_cookie("name")

# get cookie with **Response**:
response = render(request, "index.html")
response.set_signed_cookie("name", "value")
return response

refer: https://docs.djangoproject.com/en/5.1/ref/request-response/#django.http.HttpResponse.set_cookie