backendNotes.txt

1. Generate JSON package
    npm init -y 
2. Install express cors mongoose dotenv
    npm i express cors mongoose dotenv
express - lažje delanje z GET, POST, PUT DELETE requesti
cors -cross-origin resource sharing - za povezovanje strežnika z drugim strežnikom, drugače browser zavrne vsebino, ki jo je en strežnik posredoval preko drugega
moongoose - lažje delanje z MongoDB
dotenv - loads enviroment variables from .env to process.env 

3. use nodemon

XX. CODE

server.js
    require,
    const app, port,
    middleware,
    connect MongoDB (+connection string in .env)
    use(routers)

    listen

create models for MongoDB
create routes for routing