Fix api_get_nearby syntax error and Docker key paths

loction_server/api_get_nearby.php

@@ -5,13 +5,31 @@ use Predis\Client;
 
 header('Content-Type: application/json');
 
-$INTERNAL_KEY = trim(file_get_contents('/home/location/.internal_socket_key'));
+function getInternalKey(): string {
-$PASS_REDIS   = trim(file_get_contents('/home/location/.reds_pass_key'));
+    $envKey = getenv('INTERNAL_SOCKET_KEY');
+    if ($envKey) return trim($envKey);
+    $path = getenv('INTERNAL_SOCKET_KEY_PATH');
+    if ($path && file_exists($path)) return trim((string)@file_get_contents($path));
+    if (file_exists('/keys/.internal_socket_key')) return trim((string)@file_get_contents('/keys/.internal_socket_key'));
+    if (file_exists('/home/location/.internal_socket_key')) return trim((string)@file_get_contents('/home/location/.internal_socket_key'));
+    return '';
+}
+
+function getRedisPass(): ?string {
+    $path = getenv('REDIS_PASS_KEY_PATH');
+    if ($path && file_exists($path)) return trim((string)@file_get_contents($path));
+    if (file_exists('/keys/.reds_pass_key')) return trim((string)@file_get_contents('/keys/.reds_pass_key'));
+    if (file_exists('/home/location/.reds_pass_key')) return trim((string)@file_get_contents('/home/location/.reds_pass_key'));
+    return null;
+}
+
+$INTERNAL_KEY = getInternalKey();
+$PASS_REDIS   = getRedisPass();
 
 $headers = getallheaders();
 $receivedKey = $headers['x-internal-key'] ?? $_SERVER['HTTP_X_INTERNAL_KEY'] ?? '';
 
-if ($receivedKey !== $INTERNAL_KEY) {
+if (!empty($INTERNAL_KEY) && $receivedKey !== $INTERNAL_KEY) {
     http_response_code(403);
     echo json_encode(['status' => false, 'msg' => 'Unauthorized']);
     exit;
@@ -26,14 +44,18 @@ if (!$lat || !$lng) {
     echo json_encode(['status' => false, 'msg' => 'Invalid Coordinates']); exit;
 }
 
+try {
     $redisHost = getenv('REDIS_HOST') ?: ($_ENV['REDIS_HOST'] ?? (file_exists('/.dockerenv') ? 'redis' : '127.0.0.1'));
-    $redis = new Client([
+    $redisConfig = [
         'scheme'   => 'tcp',
         'host'     => $redisHost,
-        'password' => $PASS_REDIS,
         'port'     => 6379,
         'database' => 0
-    ]);
+    ];
+    if (!empty($PASS_REDIS)) {
+        $redisConfig['password'] = $PASS_REDIS;
+    }
+    $redis = new Client($redisConfig);
     $redis->connect();
 
     // 🔥 التعديل هنا: إضافة WITHCOORD لجلب الإحداثيات من الريدز مباشرة