code: def _send_container_healthcheck_sc(self, containers_by_id):
          
          for container in containers_by_id.itervalues():
              healthcheck_tags = self._get_tags(container, HEALTHCHECK)
              match = False
              for tag in healthcheck_tags:
                  for rule in self.whitelist_patterns:
                      if re.match(rule, tag):
                          match = True
  
                          self._submit_healthcheck_sc(container)
                          break
  
                  if match:
                      break
docs: Send health service checks for containers.