I have already deployed this to Heroku. The mobile app is using that api to fetch geolocation data.
If you are using Yarn,
yarn install
If you are using npm,
npm install
You need to create a file named .env the project directory and add the MONGO_URL.
MONGO_URL=mongodb+srv://<username>:<password>@cluster0.repux.mongodb.net/<dbname>?retryWrites=true&w=majority
To run locally
npm run dev