README

A Laravel package for generating Entity-Relationship Diagrams (ERD) of your database schema. This tool is designed to support multiple database systems like MySQL, PostgreSQL, SQLite, SQL Server, and Oracle.

Features

• Automatically scans your database schema for tables and their relationships.
• Generates ERD diagrams in PDF format using Graphviz.
• Extensible design with support for multiple database drivers.

Installation

Requirements

• PHP 8.1 or higher
• Laravel 9.x or higher
• Graphviz installed on your system

Step 1: Install the package

composer require rtcoder/laravel-db-erd

Step 2: Publish the configuration (optional)

If you need to customize the behavior, publish the configuration file:

php artisan vendor:publish --tag=db-erd-config

If you need to customize the views, you can publish them using:

php artisan vendor:publish --tag=db-erd-views

This will copy the default views to your project's resources/views/vendor/laravel-erd directory, where you can modify them as needed.

Step 3: Install Graphviz

Ensure Graphviz is installed on your system.

On macOS:

brew install graphviz

On Ubuntu:

sudo apt install graphviz

On Windows:

Download and install from Graphviz's official site.

Usage

Generate an ERD Run the following Artisan command to generate the ERD:

php artisan erd:generate --output=storage/erd/erd_diagram.pdf --driver=mysql

The --output option specifies the file path for the generated diagram.

Supported Databases

• MySQL
• PostgreSQL
• SQLite
• SQL Server
• Oracle

Supported output formats

• PDF
• SVG
• PNG
• HTML

Configuration

You can customize the package by modifying the configuration file (config/db-erd.php):

return [
    'default_driver' => env('DB_ERD_DRIVER', 'mysql'),
    'output_directory' => storage_path('erd'),
    'output_name' => 'erd_diagram',
    'output_format' => 'pdf',
    'exclude_tables' => ['migrations', 'jobs', 'failed_jobs'],
];

Troubleshooting

1. Graphviz not found Error
   Ensure Graphviz is correctly installed and added to your system's PATH.

2. Empty ERD Diagram
   Verify that your database schema has relationships (foreign keys).

License

This package is open-source software licensed under the MIT license.