How to get the app working

Clone repo

npm install

cd into backend and npm install
cd into frontend and npm install or yarn

Build

cd into frontend and build yarn build or npm run build

Run app

cd into backend and npm start
go to localhost:5500 on the browser to see the app running

Misc.

I am not including .env file in .gitignore for the purposes of this demo
I have added an additional route ('/weather/all') which takes multiple cities as query param
- Format: ?cityArray=New York,Boston, eg: http://localhost:5500/weather/all?cityArray=New%20York,%20Boston