text: import os
  import yaml
  
  # Use:
  # source ../env.sh ; python gen-values-yaml.py
  
  mongodb_values = dict()
  mongodb_values['mongodbUsername'] = os.environ['MONGODB_USER']
  mongodb_values['mongodbPassword'] = os.environ['MONGODB_PASS']
  mongodb_values['mongodbDatabase'] = os.environ['MONGODB_DBNAME']
  
  with open('../unit-04/mongodb-values.yaml', 'w') as file:
      documents = yaml.dump(mongodb_values, file)
  