Move to Django 3

Pipfile

@@ -13,9 +13,9 @@ python_version = "3.6"
 [packages]
 
 "psycopg2-binary" = "*"
+dj-database-url="*"
 django-heroku = "*"
 gunicorn = "*"
 
 
 [dev-packages]
-

README.md

@@ -1,6 +1,6 @@
 # Heroku Django Starter Template
 
-An utterly fantastic project starter template for Django 2.0.
+An utterly fantastic project starter template for Django 3.0.
 
 ## Features
 

manage.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
 import os
 import sys
 

project_name/settings.py

@@ -3,10 +3,10 @@
 https://github.com/heroku/heroku-django-template
 
 For more information on this file, see
-https://docs.djangoproject.com/en/2.0/topics/settings/
+https://docs.djangoproject.com/en/3.0/topics/settings/
 
 For the full list of settings and their values, see
-https://docs.djangoproject.com/en/2.0/ref/settings/
+https://docs.djangoproject.com/en/3.0/ref/settings/
 """
 
 import os
@@ -19,14 +19,16 @@
 
 
 # Quick-start development settings - unsuitable for production
-# See https://docs.djangoproject.com/en/2.0/howto/deployment/checklist/
+# See https://docs.djangoproject.com/en/3.0/howto/deployment/checklist/
 
 # SECURITY WARNING: keep the secret key used in production secret!
 SECRET_KEY = "{{ secret_key }}"
 
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True
 
+ALLOWED_HOSTS = []
+
 # Application definition
 
 INSTALLED_APPS = [
@@ -76,7 +78,7 @@
 
 
 # Database
-# https://docs.djangoproject.com/en/2.0/ref/settings/#databases
+# https://docs.djangoproject.com/en/3.0/ref/settings/#databases
 
 DATABASES = {
     'default': {
@@ -85,6 +87,9 @@
     }
 }
 
+# Password validation
+# https://docs.djangoproject.com/en/3.0/ref/settings/#auth-password-validators
+
 AUTH_PASSWORD_VALIDATORS = [
     {
         'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
@@ -101,7 +106,7 @@
 ]
 
 # Internationalization
-# https://docs.djangoproject.com/en/2.0/topics/i18n/
+# https://docs.djangoproject.com/en/3.0/topics/i18n/
 
 LANGUAGE_CODE = 'en-us'
 TIME_ZONE = 'UTC'
@@ -119,7 +124,7 @@
 ALLOWED_HOSTS = ['*']
 
 # Static files (CSS, JavaScript, Images)
-# https://docs.djangoproject.com/en/2.0/howto/static-files/
+# https://docs.djangoproject.com/en/3.0/howto/static-files/
 
 STATIC_ROOT = os.path.join(PROJECT_ROOT, 'staticfiles')
 STATIC_URL = '/static/'

project_name/urls.py

@@ -1,7 +1,7 @@
-"""{{ project_name }} URL Configuration
+"""project_name URL Configuration
 
 The `urlpatterns` list routes URLs to views. For more information please see:
-    https://docs.djangoproject.com/en/2.0/topics/http/urls/
+    https://docs.djangoproject.com/en/3.0/topics/http/urls/
 Examples:
 Function views
     1. Add an import:  from my_app import views

project_name/wsgi.py

@@ -1,10 +1,10 @@
 """
-WSGI config for {{ project_name }} project.
+WSGI config for project_name project.
 
 It exposes the WSGI callable as a module-level variable named ``application``.
 
 For more information on this file, see
-https://docs.djangoproject.com/en/2.0/howto/deployment/wsgi/
+https://docs.djangoproject.com/en/3.0/howto/deployment/wsgi/
 """
 
 import os