Codeinsane

• ทำการ Import Firebase Admin SDK

const admin = require('firebase-admin');

• ทำการ Connect Firebase แบบ Single Database

admin.initializeApp({
  credential: admin.credential.applicationDefault(),
  databaseURL: 'ws://abc-def.firebaseio.com/'
});

var db = admin.database();
var ref = db.ref("restricted_access/secret_document");
ref.once("value", function(snapshot) {
  console.log(snapshot.val());
});

• ทำการ Connect Firebase แบบ Multiple Database

const app = admin.initializeApp({
  credential: admin.credential.applicationDefault(),
});

const db1 = app.database('ws://abc-def.firebaseio.com/');
const db2 = app.database('ws://abc-def-ghi.firebaseio.com/');