old_contents: from config.base.settings import *
  
  DEBUG = False
  ROOT_URLCONF = 'config.prod.urls'
  WSGI_APPLICATION = "config.prod.wsgi.application"
  
  
  ALLOWED_HOSTS = [
      '.censusreporter.org',
      '.compute-1.amazonaws.com',  # allows viewing of instances directly
      'cr-prod-409865157.us-east-1.elb.amazonaws.com',  # from the load balancer
  ]
  
  # From https://forums.aws.amazon.com/thread.jspa?messageID=423533:
  # "The Elastic Load Balancer HTTP health check will use the instance's internal IP."
  # From https://dryan.com/articles/elb-django-allowed-hosts/
  import requests
  EC2_PRIVATE_IP = None
  try:
      EC2_PRIVATE_IP = requests.get('http://169.254.169.254/latest/meta-data/local-ipv4', timeout=0.01).text
  except requests.exceptions.RequestException:
      pass
  
  if EC2_PRIVATE_IP:
      ALLOWED_HOSTS.append(EC2_PRIVATE_IP)
  
  CACHES = {
      'default': {
          'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',
          'LOCATION': 'localhost:11211',
      }
  }
  
new_contents: from config.base.settings import *
  
  DEBUG = False
  ROOT_URLCONF = 'config.prod.urls'
  WSGI_APPLICATION = "config.prod.wsgi.application"
  
  
  ALLOWED_HOSTS = [
      'censusreporter.org',
      'www.censusreporter.org',
      '.compute-1.amazonaws.com',  # allows viewing of instances directly
      'cr-prod-409865157.us-east-1.elb.amazonaws.com',  # from the load balancer
  ]
  
  # From https://forums.aws.amazon.com/thread.jspa?messageID=423533:
  # "The Elastic Load Balancer HTTP health check will use the instance's internal IP."
  # From https://dryan.com/articles/elb-django-allowed-hosts/
  import requests
  EC2_PRIVATE_IP = None
  try:
      EC2_PRIVATE_IP = requests.get('http://169.254.169.254/latest/meta-data/local-ipv4', timeout=0.01).text
  except requests.exceptions.RequestException:
      pass
  
  if EC2_PRIVATE_IP:
      ALLOWED_HOSTS.append(EC2_PRIVATE_IP)
  
  CACHES = {
      'default': {
          'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',
          'LOCATION': 'localhost:11211',
      }
  }
  
subject: Add www.censusreporter.org to allowed_hosts