var config = {
    apiKey: "AIzaSyCtB3c2eAmHrCSqWFKNgtSNykSc8XckMX4",
    authDomain: "projetowebcaravana.firebaseapp.com",
    databaseURL: "https://projetowebcaravana.firebaseio.com",
    storageBucket: "projetowebcaravana.appspot.com",
    messagingSenderId: "999777027178"
  };