code: def post_message(self):
          
          message = get_template(template_file='slack/pipeline-prepare-ran.j2', info=self.info)
          channel = '#deployments-prod'
          post_slack_message(message=message, channel=channel, username='pipeline-bot', icon_emoji=':gear:')
docs: Send templated message to **#deployments-{env}**.
  
          Primarily for production deployments.