This is example Todo project in MEAN stack. Mongodb database name is erp or you can change it if you want in app.js file. You can download or clone app from github and use npm install to download all npm packages.
1.Download and install nodejs.
2.Download and install mongodb and create database named erp in it.
3.Download or clone app from github and run command npm install in Git Bash.
4 Run 'npm run ishla' to run nodejs server and run 'ng serve' to run angular server.