This is the code for the project
https://my-node-chat-application.herokuapp.com/
These instructions will get you a copy of the project up and running on your local machine for development and testing purposes.
What things you need to install the software and how to install them ?
you need to have mongodb and node.js softwares to run the backend code
https://nodejs.org/en/download/
After installing the softwares , you need to do npm install to install the packages .
you can use node index.js or nodemon