Mini WhatsApp — Express & MongoDB

This repository demonstrates a mini chat application using Express.js, EJS, and MongoDB.

Core Features

• CRUD Operations:
  • Create new chat messages.
  • Read all chats or individual chats.
  • Update messages.
  • Delete messages.
• MongoDB Integration:
  • Stores chat data with from, to, msg, and timestamp.
• Express Middleware:
  • method-override for PUT & DELETE requests.
  • Async wrapper for error handling.
  • Custom ExpressError class for structured errors.
• Views with EJS:
  • index.ejs — list all chats.
  • new.ejs — add new chat.
  • edit.ejs — update existing chat.
  • show.ejs — view single chat.