frontend will run on port 3000
backend will run on port 5000
CMC_PRO_API_KEY=YOUR_API_KEY
(I should not have put rest of the below variables but i have added initially so i left it)
LIMIT=100 (You may changed)
COIN_MARKET_CAP_URI=https://pro-api.coinmarketcap.com/v1/cryptocurrency/listings/latest
COIN_MARKET_CAP_ID_URI=https://pro-api.coinmarketcap.com/v1/cryptocurrency/quotes/latest