<?php
// URL of the backend server
$backend_url = "http://localhost:5000" . $_SERVER['REQUEST_URI'];

// Initialize cURL
$ch = curl_init($backend_url);

// Forward the request method (GET, POST, etc.) and headers
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $_SERVER['REQUEST_METHOD']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

// Forward headers
foreach (getallheaders() as $header => $value) {
    curl_setopt($ch, CURLOPT_HTTPHEADER, ["$header: $value"]);
}

// Handle POST data if it exists
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    curl_setopt($ch, CURLOPT_POSTFIELDS, file_get_contents('php://input'));
}

// Execute the request
$response = curl_exec($ch);

// Forward the response back to the client
http_response_code(curl_getinfo($ch, CURLINFO_HTTP_CODE));
echo $response;

// Close cURL
curl_close($ch);