firebase-cloud-import.js

let admin = require("firebase-admin");
let cars = require('./cars.json');

let serviceAccount = require("./serviceAccountKey.json");
admin.initializeApp({
  "databaseURL": "https://fir-elasticsearch.firebaseio.com",
  "credential": admin.credential.cert(serviceAccount),
});

let carsRef = admin.database().ref('/cars');
let carsImportLimit = 1000;
let pushPromises = [];
console.log('Importing ' + carsImportLimit + 'cars');
for(let i =0; i < carsImportLimit; i++ ) {
  pushPromises.push(cars[i]);
}

Promise.all(pushPromises).then(() => {
	console.log('done!');
	process.exit();
});