new_contents: # In production set the environment variable like this:
  #    DJANGO_SETTINGS_MODULE=my_proj.settings.production
  from .base import *             # NOQA
  import logging.config
  
  # For security and performance reasons, DEBUG is turned off
  DEBUG = False
  
  # Must mention ALLOWED_HOSTS in production!
  ALLOWED_HOSTS = ['172.16.0.66']
  
  
  # Cache the templates in memory for speed-up
  loaders = [
      (
          'django.template.loaders.cached.Loader',
          [
              'django.template.loaders.filesystem.Loader',
              'django.template.loaders.app_directories.Loader',
          ]
      ),
  ]
  
  TEMPLATES[0]['OPTIONS'].update({"loaders": loaders})
  TEMPLATES[0]['OPTIONS'].update({"debug": False})
  TEMPLATES[0]['APP_DIRS'] = False
  
  
  # Email settings
  
  EMAIL_BACKEND = env.str('EMAIL_BACKEND')
  EMAIL_HOST = env.str('EMAIL_HOST')
  EMAIL_HOST_USER = env.str('EMAIL_HOST_USER')
  EMAIL_HOST_PASSWORD = env.str('EMAIL_HOST_PASSWORD')
  EMAIL_PORT = env.int('EMAIL_PORT')
  EMAIL_USE_SSL = env.bool('EMAIL_USE_SSL')
  EMAIL_USE_TLS = env.bool('EMAIL_USE_TLS')
  
  DEFAULT_FROM_EMAIL = SERVER_EMAIL = '{name} <{addr}>'.format(
      name='BioCloud Dev',
      addr='biocloud@liang2.io',
  )
  
  
  # Securiy related settings
  
  # SECURE_HSTS_SECONDS = 2592000
  # SECURE_BROWSER_XSS_FILTER = True
  # SECURE_CONTENT_TYPE_NOSNIFF=True
  # SESSION_COOKIE_SECURE = True
  # CSRF_COOKIE_SECURE = True
  # CSRF_COOKIE_HTTPONLY = True
  # SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
  # X_FRAME_OPTIONS = 'DENY'
  
  
  # Log everything to the logs directory at the top
  LOGFILE_ROOT = join(BASE_DIR, 'logs')
  
  # Reset logging
  LOGGING_CONFIG = None
  LOGGING = {
      'version': 1,
      'disable_existing_loggers': False,
      'formatters': {
          'verbose': {
              'format': (
                  '[%(asctime)s] %(levelname)s '
                  '[%(pathname)s:%(lineno)s] %(message)s'
              ),
              'datefmt': "%d/%b/%Y %H:%M:%S"
          },
          'simple': {
              'format': '%(levelname)s %(message)s'
          },
      },
      'handlers': {
          'django_log_file': {
              'level': 'DEBUG',
              'class': 'logging.FileHandler',
              'filename': join(LOGFILE_ROOT, 'django.log'),
              'formatter': 'verbose'
          },
          'console': {
              'level': 'DEBUG',
              'class': 'logging.StreamHandler',
              'formatter': 'simple'
          },
      },
      'loggers': {
          'django': {
              'handlers': ['django_log_file', ],
              'propagate': True,
              'level': 'DEBUG',
          },
      }
  }
  
  for app in LOCAL_APPS:
      app_handler = '%s_log_file' % app
      app_log_filepath = '%s.log' % app
      LOGGING['loggers'][app] = {
          'handlers': [app_handler, 'console', ],
          'level': 'DEBUG',
      }
      LOGGING['handlers'][app_handler] = {
          'level': 'DEBUG',
          'class': 'logging.FileHandler',
          'filename': join(LOGFILE_ROOT, app_log_filepath),
          'formatter': 'verbose',
      }
  
  logging.config.dictConfig(LOGGING)
  
subject: Add production settings