Tip 1: Use nodemon for development. pm2 for production. Tip 2: Async or Q Tip 3: Debugging Node.js apps easily Tip 4: Nodefly Tip 5: Module management with NPM. Tip 6: Don’t check in your node modules folder Tip 7: Don’t forget to return 详细原文请看：https://medium.com/tech talk/e7c0b0e5ce3c
