Laravel application has a very clean and managed directory structure. It is not compulsory to follow the structure of laravel. You can manage your application code as per your convenience.
The following image shows the directory structure of the laravel application.
App
The app folder contains all the logic for your application.
Bootstrap
The bootstrap folder contains a cache folder and a file app.php. This file app.php is responsible to integrate all the components and interfaces required laravel framework to run i.e. it initializes the whole application.
Config
The config folder contains all the configuration files of the application.
Database
The database directory contains all the functionality related to the database of your application.
This folder contains three subfolders. Seeds, Migrations, Factories.
The laravel provides the seeding method to create test data for your application. The seeds folder stores all the seed.
Migration: Laravel made the easy way to create and alter your application’s database schema by using migrations.
Factories as the name self describe a factory as a method to produce a large amount of data to test the application.
Public
It is the entry point of your application. All the request from the outside world is handled here.
Resources
This folder contains all the views and related assets such as raw javaScript, Cascade Style Sheets for your application.
Route
This directory contains all the route definition of your application i.e. for some action where to go or what action is to perform.
Storage
This folder contains the cache of application and the error logs generated while running your application.
Test
As laravel provides a PHPUnit test module by default. This folder contains all of your test case classes.
Vendor
This folder contains all the dependencies that are required to run the laravel framework and the dependencies you download using the composer while developing your application.
Besides these folders, the laravel root directory also contains some files.
.env & .env.example
It is an environment variable file for your application. This is a crucial file to run the application as per your development environment.
It contains the different environment setting variables for example database, application name, application key, Mail server, etc.
.gitattributes
This file contains the git hub configuration.
Artisan
As laravel provides its own command-line interface artisan. This file is for running the artisan commands.
composer.json
This is the configuration file for the composer. All the required dependencies to run the application are mentioned here.
package.json
This file contains the dependencies for the frontend of the laravel application.
phpunit.xml
This is the configuration for the PHPUnit testing facility provided by laravel by default.server.php laravel provides its own development server. This file works as a web server and allows preview of the laravel application.