This tutorial provides a comprehensive guide on building a Vue.js application with CRUD functionalities, using Firebase's Cloud Firestore for data storage. The updated post includes the integration of Vuefire for real-time data binding in Vue 3 apps with Firebase, enhancing the sample Vue and Firebase deployment configuration. It outlines the process of creating and setting up a Vue.js app, configuring a Firebase project, and implementing a user interface using Element UI. The tutorial also details how to integrate Cloud Firestore's CRUD methods within a Vue.js app, both through custom methods and using Vuefire, which simplifies data synchronization between local and remote databases. Additionally, it explains how to deploy the Vue.js application to Firebase, offering a backend-as-a-service that abstracts backend complexity, allowing developers to focus on the client-side development. The tutorial is aimed at frontend engineers familiar with Vue.js and covers prerequisites such as having Node, npm, and Firebase tools installed.