Here some questions to ponder on till then

• What is non-blocking vs blocking?
• [ ] • Overview of Blocking vs Non-Blocking
• [ ] What is throughput?
• [ ] what is the difference between readFile and readFileSync
• [ ] How can you make a network request using http module?
  • [ ] https://nodejs.org/en/docs/guides/anatomy-of-an-http-transaction/
• [ ] How to create a web server without express?
• [ ] What is libuv?
• [ ] What are the different phases involved in event loop?
  • [ ] • The Node.js Event Loop, Timers, and process.nextTick()
  • [ ] • Don't Block the Event Loop (or the Worker Pool)
• [ ] What are timers in Node.js?
  • [ ] • Timers in Node.js
• [ ] What is NVM? how do you use it?
• [ ] What is common.js? how is it different from es modules?
• [ ] How does the crypto module work?
• [ ] What are web sockets?
• [ ] What are microservices?
• [ ] Creating a CLI based app using Node.js and publish it

Express.js + Mongoose