Invalid HTTP_HOST header: 'olist-tech.herokuapp.com'. You may need to add 'olist-tech.herokuapp.com' to ALLOWED_HOSTS. code example
Example: Invalid HTTP_HOST header: 'dtodo2.herokuapp.com'. You may need to add 'dtodo2.herokuapp.com' to ALLOWED_HOSTS.
ALLOWED_HOSTS = [
'0.0.0.0'
'the-yogify.herokuapp.com',
'127.0.0.1'
]