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Overview

Relevant source files

This document provides an overview of the Laravel application skeleton repository at https://github.com/laravel/laravel. This is a Laravel 12.x skeleton application that serves as a starting point for web application development.

The repository implements a standard Laravel application structure with dual entry points for HTTP and CLI requests, comprehensive configuration management, modern frontend tooling, and automated testing infrastructure.

For detailed information about specific subsystems, refer to:

  • Application Architecture (section 1.1) - Entry points, bootstrap process, and core application structure
  • Dependency Management and Autoloading (section 1.2) - Composer configuration and PSR-4 autoloading
  • Application Bootstrap and Lifecycle (section 2) - Application initialization and request processing
  • Configuration System (section 3) - Environment variables and service configuration
  • Frontend Asset Pipeline (section 4) - Vite build system and asset compilation
  • Database and Models (section 5) - Eloquent models and database configuration
  • Testing Infrastructure (section 6) - PHPUnit and CI/CD setup
  • Development Environment (section 7) - Local development tools and workflows

Application Entry Points and Core Structure

The Laravel skeleton provides two entry points that bootstrap the same Illuminate\Foundation\Application instance through different request handlers.

Dual Entry Point Architecture

Both entry points define LARAVEL_START constant and require the same bootstrap/app.php file, ensuring consistent application initialization regardless of access method.

Sources: public/index.php6-20 artisan7-16

Framework Dependencies and Requirements

The application requires specific PHP and framework versions with development tooling:

ComponentVersionPurpose
php^8.2Runtime environment
laravel/framework^12.0Core framework
laravel/tinker^2.10.1REPL interface
phpunit/phpunit^11.5.3Testing framework
laravel/pint^1.24Code style fixer
laravel/sail^1.41Docker development environment

Sources: composer.json8-21

Namespace Mapping and Autoloading

The composer.json file defines PSR-4 autoloading mappings that connect PHP namespaces to directory structures:

PSR-4 Autoloading Configuration

This autoloading configuration enables Laravel's service container and dependency injection to resolve classes automatically without manual require statements.

Sources: composer.json22-33 app/Models/User.php3 tests/TestCase.php3

Package Dependencies

The application separates production and development dependencies through require and require-dev sections:

Development dependencies are excluded from production deployments but provide essential tooling for testing, code formatting, and local development.

Sources: composer.json8-21

Development Scripts and Automation

The composer.json defines scripts that automate common development tasks and project setup:

Composer Script Configuration

The dev script uses npx concurrently to run multiple development services simultaneously with color-coded output for easier monitoring.

Sources: composer.json34-57

Testing Infrastructure Overview

The application uses PHPUnit with environment-specific configuration for isolated testing:

PHPUnit Test Environment Configuration

The test environment uses in-memory SQLite and array-based drivers to ensure fast, isolated test execution without external dependencies.

Sources: phpunit.xml4-33

Base Test Class Structure

The Tests\TestCase extends Laravel's base test case to provide foundation testing capabilities:

Sources: tests/TestCase.php5-10

Continuous Integration with GitHub Actions

The repository includes automated testing via GitHub Actions with multi-version PHP support:

CI/CD Workflow Configuration

The workflow runs on Ubuntu with required PHP extensions and uses the same test command as local development: php artisan test.

Sources: .github/workflows/tests.yml1-48

Core Model Architecture

The application includes a foundational User model that demonstrates Laravel's Eloquent ORM patterns and authentication system integration:

User Model Structure

The User model includes password hashing through the hashed cast and email verification timestamp handling through the datetime cast for email_verified_at.

Sources: app/Models/User.php10-48

This Laravel application provides a robust foundation for web development with modern PHP practices, comprehensive testing infrastructure, and automated deployment pipelines. The architecture supports both traditional web requests and command-line operations through a unified application bootstrap process.

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