<https://dev.to/towernter/hosting-a-python-django-web-application-on-heroku-2i48>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://practicaldev-herokuapp-com.global.ssl.fastly.net/towernter/hosting-a-python-django-web-application-on-heroku-2i48?comments_sort=oldest>