pm2 simple

CommonJS, for Next.js etc:

module.exports = {
  apps: [
    {
      name: "next",
      script: "npm run start"
    },
    {
      name: "trigger",
      script: "npm run trigger:dev"
    }
  ]
}

Generate like

pm2 init simple && mv ecosystem.config.js ecosystem.config.cjs

Fly with

pm2 start ecosystem.config.js