old_contents: from mongoengine import *
  
  host = 'mongodb://azzuwan:Reddoor74@aws-ap-southeast-1-portal.2.dblayer.com:15501,aws-ap-southeast-1-portal.0.dblayer.com:15501/news'
  connect(host=host)
  
  class Articles(Document):
  	# The title of the news article
  	title = StringField(required=True)
  	# News content	
  	body = StringField(required=True)
  	# Publication date
  	published = DateTimeField()
  	# Article author 
  	author = StringField()
  	# Category tags
  	tags = ListField(StringField())
  	# News agency name
  	agency = StringField(required=True)
  	# Original URL of the article
  	url = StringField(required=True)
new_contents: from mongoengine import *
  
  # host = 'mongodb://azzuwan:Reddoor74@aws-ap-southeast-1-portal.2.dblayer.com:15501,aws-ap-southeast-1-portal.0.dblayer.com:15501/news'
  host = 'mongodb://azzuwan:Reddoor74@aws-ap-southeast-1-portal.0.dblayer.com:15501/news'
  connect(host=host)
  
  class Articles(Document):
  	# The title of the news article
  	title = StringField(required=True)
  	# News content	
  	body = StringField(required=True)
  	# Publication date
  	published = DateTimeField()
  	# Article author 
  	author = StringField()
  	# Category tags
  	tags = ListField(StringField())
  	# News agency name
  	agency = StringField(required=True)
  	# Original URL of the article
  	url = StringField(required=True)
subject: Change connection settings