# Tech Stack

## Backend

| Technology                          | Version | Purpose                                              |
| ----------------------------------- | ------- | ---------------------------------------------------- |
| PHP                                 | 8.2+    | Runtime                                              |
| Symfony                             | 6.4.\*  | Framework                                            |
| Doctrine ORM                        | ^2.16   | Database abstraction                                 |
| API Platform                        | ^3.0    | REST API framework                                   |
| lexik/jwt-authentication-bundle     | ^2.20   | JWT authentication                                   |
| oneup/flysystem-bundle              | \~4.0   | File storage abstraction                             |
| vich/uploader-bundle                | ^2.8    | File upload handling                                 |
| stof/doctrine-extensions-bundle     | ^1.12   | Doctrine extensions (tree, timestampable, sluggable) |
| nelmio/cors-bundle                  | ^2.2    | CORS headers                                         |
| mpdf/mpdf                           | \~8.0   | PDF generation                                       |
| phpoffice/phpspreadsheet            | \~1.16  | Excel/spreadsheet handling                           |
| firebase/php-jwt                    | ^7.0    | JWT token handling                                   |
| bigbluebutton/bigbluebutton-api-php | ^2.0    | BigBlueButton integration                            |
| packbackbooks/lti-1p3-tool          | ^6.4    | LTI 1.3 implementation                               |

## Frontend

| Technology   | Version | Purpose                   |
| ------------ | ------- | ------------------------- |
| Vue.js       | ^3.5    | UI framework              |
| PrimeVue     | ^4.5    | Component library         |
| Pinia        | ^3.0    | State management          |
| Vue Router   | 5.0     | Client-side routing       |
| Vue I18n     | 11.3    | Internationalization      |
| Axios        | ^1.13   | HTTP client               |
| TinyMCE      | ^5.10   | Rich text editor          |
| Chart.js     | ^4.5    | Charts and visualizations |
| FullCalendar | ^6.1    | Calendar component        |
| Uppy         | ^4.5    | File upload widget        |
| PrimeFlex    | ^4.0    | CSS utility framework     |

## Build Tools

| Technology             | Version | Purpose                     |
| ---------------------- | ------- | --------------------------- |
| Webpack                | ^5.105  | Module bundler              |
| Symfony Webpack Encore | ^5.3    | Webpack wrapper for Symfony |
| Tailwind CSS           | ^3.4    | Utility-first CSS framework |
| Sass                   | ^1.98   | CSS preprocessor            |
| TypeScript             | ^5.9    | Type-safe JavaScript        |
| ESLint                 | ^10.0   | Linting                     |
| Prettier               | 3.8     | Code formatting             |

## Icons

| Library   | Version | Usage                                           |
| --------- | ------- | ----------------------------------------------- |
| @mdi/font | 7.4.47  | Material Design Icons (CSS classes `mdi mdi-*`) |

## Database

Chamilo supports:

* MySQL 8.0.32+
* MariaDB 10.11.2+
* PostgreSQL 16+
* SQLite (for development/testing)

## Cloud Storage

Via Flysystem adapters:

* Local filesystem (default)
* AWS S3 (`league/flysystem-aws-s3-v3`)
* Azure Blob Storage (`league/flysystem-azure-blob-storage`)
* Google Cloud Storage (`league/flysystem-google-cloud-storage`)