docs: def read_creds_from_ecs_container_metadata():
      """
      Read credentials from ECS instance metadata (IAM role)
  
      :return:
      """
      creds = init_creds()
      try:
          ecs_metadata_relative_uri = os.environ['AWS_CONTAINER_CREDENTIALS_RELATIVE_URI']
          credentials = requests.get('http://169.254.170.2' + ecs_metadata_relative_uri, timeout = 1).json()
          for c in ['AccessKeyId', 'SecretAccessKey']:
              creds[c] = credentials[c]
              creds['SessionToken'] = credentials['Token']
          return creds
      except Exception as e:
          return False