Node server app with express.js and mongoDb as database
node - 12.14.0
mongoDb - 4.0.13
NODE_ENV=development
PORT=4000
DB_URL="mongodb://localhost:27017/db_name"
MSG_91_SENDER_ID="sms sender id for msg91"
MSG_91_AUTH_KEY="sms auth key for msg91"
SECRET_KEY="secret 64 bit key"