How to Host a PHP Application on Vertra Cloud

my-api-php/
├── src/
│   └── routes.php
├── vendor/
├── public/
│   ├── index.php
│   └── .htaccess
├── composer.json
└── vertracloud.config

{
  "name": "example/my-api-php",
  "description": "PHP API on Vertra Cloud",
  "type": "project",
  "require": {
    "php": ">=8.2",
    "illuminate/http": "^10.0",
    "guzzlehttp/guzzle": "^7.5"
  },
  "require-dev": {
    "phpunit/phpunit": "^10.0"
  },
  "autoload": {
    "psr-4": {
      "App\\": "src/"
    }
  },
  "scripts": {
    "start": "php -S 0.0.0.0:${PORT:-8000} -t public"
  }
}

MAIN=public/index.php
START=php -S 0.0.0.0:$PORT -t public
VERSION=recommended

<?php
header('Content-Type: application/json');

function json_response($data, $status = 200) {
    http_response_code($status);
    echo json_encode($data);
    exit;
}

if ($_SERVER['REQUEST_URI'] === '/' && $_SERVER['REQUEST_METHOD'] === 'GET') {
    json_response([
        'message' => 'API PHP on Vertra Cloud',
        'version' => '1.0.0'
    ], 200);
}

if ($_SERVER['REQUEST_URI'] === '/health' && $_SERVER['REQUEST_METHOD'] === 'GET') {
    json_response([
        'status' => 'healthy',
        'service' => 'php-api'
    ], 200);
}

json_response(['error' => 'Not found'], 404);
?>