Install pm2 via yarn globally

$ sudo yarn global add pm2
$ pm2 --version

PM2 is a Production Process Manager for Node.js applications

                     with a built-in Load Balancer.

                Start and Daemonize any application:

                $ pm2 start app.js

                Load Balance 4 instances of api.js:

                $ pm2 start api.js -i 4

                Monitor in production:

                $ pm2 monitor

                Make pm2 auto-boot at server restart:

                $ pm2 startup

                To go further checkout:

                http://pm2.io/