new_contents: environment = {
  	'DATABASE_PASSWORD': 'tv_password',
  	'DATABASE_USER': 'tv_user',
  	'DEV_DATABASE_PASSWORD': 'tv_password',
  	'DEV_DATABASE_USER': 'tv_user',
  	'MAIL_PASSWORD': 'example_password',
  	'MAIL_USERNAME': 'user@example.com',
  	'SECRET_KEY': 'changeme',
  	'TEST_DATABASE_PASSWORD': 'tv_password',
  	'TEST_DATABASE_USER': 'tv_user',
  }
  
subject: add admin setting