The only production dependency we're using for the application is Vue. Although the application consists of a single component, Vue makes managing data, functions, and the component life-cycle much simpler than trying to do it manually. The index.js file contains the Vue initialization code, while the rendering and application logic is in /src/App.js. This file has a lot of moving parts, so we're going to review the code in chunks, as we did in the previous section. Let's start with the import statements.