pm2 start with script code example
Example 1: pm2 start npm start
pm2 start npm --name "app name" -- start
Example 2: how to run script command in pm2
pm2 start npm --name "myApp" -- run "start:test"
pm2 start npm --name "myApp" -- run "start:staging"
pm2 start npm --name "myApp" -- run "start:production"