old_contents: from src.settings.base import *
  import dj_database_url
  
  SECRET_KEY = "{{ secret_key }}"
  DEBUG = True
  SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
  ALLOWED_HOSTS = []
  DATABASES = {'default': dj_database_url.config()}
  DATABASES['default']['CONN_MAX_AGE'] = 500
  AUTH_PASSWORD_VALIDATORS = [
      {
          'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
      },
      {
          'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
      },
      {
          'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
      },
      {
          'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
      },
  ]
  
new_contents: from src.settings.base import *
  import dj_database_url
  
  SECRET_KEY = "{{ secret_key }}"
  DEBUG = False
  SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
  ALLOWED_HOSTS = []
  DATABASES = {'default': dj_database_url.config()}
  DATABASES['default']['CONN_MAX_AGE'] = 500
  AUTH_PASSWORD_VALIDATORS = [
      {
          'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
      },
      {
          'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
      },
      {
          'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
      },
      {
          'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
      },
  ]
  
subject: Update production.py