how to run this application

You first need to build the application with the command below.

make build

Subsequently, you need to feed the mock data to the database.

make migrate

Then, you can start up the server with this command.

make up

example query

query {
  scooter (lat: 1.39, lng: 103.9, limit:20, distance: 5000) {
      title
      lat
      lng
    }
}