sudo apt-get install supervisor
sudo nano /etc/supervisor/conf.d/your-worker.conf
[program:your-worker]
process_name=%(program_name)s_%(process_num)02d
command=php /var/www/domain/html/artisan queue:work --tries=3 --queue=high-priority,high,default
autostart=true
autorestart=true
user=root
numprocs=8
redirect_stderr=true
stdout_logfile=/var/www/domain/your-worker.log
sudo supervisorctl reread
sudo supervisorctl update
sudo supervisorctl start reload
sudo service supervisor restart