Laravel Octane managed with pm2 javascript

//this is ecosystem.config.js

{
      name              :'Octane',
      interpreter       :'/usr/local/bin/php',
      script            :'artisan',
      args              :'octane:start --workers=40 --task-workers=40 --host=0.0.0.0 --port=9999',
      watch             :false,
      error_file        :'storage/logs/pm2.Octane.error.log',
      log_file          :'storage/logs/pm2.Octane.log',
      instances         :1,
      autorestart       :true,
      restart_delay     :1000,
      exec_mode         :'fork',
      max_memory_restart:'32',
      max_restarts      :999,
      combine_logs      :true,
      merge_logs        :true,
    }