class Aws::Rails::Middleware::ElasticBeanstalkSQSD

def periodic_task?(request)

for periodic tasks set in cron.yaml.
The beanstalk worker SQS Daemon will add the custom 'X-Aws-Sqsd-Taskname' header 
def periodic_task?(request)
  request.headers['X-Aws-Sqsd-Taskname'].present? && request.fullpath == '/'
end