feat: add module-specific directory structure, routing, and environment security configuration

db_connect.php

@@ -1,17 +1,32 @@
 <?php
-$host = "localhost";
-$user = "root";
-$pass = "";
-$db   = "webgis_poverty";
+/**
+ * Koneksi database terpusat — WebGIS
+ * Semua subfolder (spbu/, jalan/, parsil/, poverty/api/) include file ini.
+ *
+ * Untuk InfinityFree: ganti nilai di bawah dengan kredensial hosting.
+ * Untuk XAMPP lokal  : nilai default sudah sesuai.
+ */
 
-// Coba koneksi ke server dan pilih database
-$conn = new mysqli($host, $user, $pass, $db);
+// ── Konfigurasi ──────────────────────────────────────────────
+$host = getenv('DB_HOST') ?: 'localhost';
+$port = (int)(getenv('DB_PORT') ?: 3306);
+$user = getenv('DB_USER') ?: 'root';
+$pass = getenv('DB_PASS') ?: '';
+$db   = getenv('DB_NAME') ?: 'webgis_poverty';
+// ─────────────────────────────────────────────────────────────
+
+$conn = new mysqli($host, $user, $pass, $db, $port);
 
 if ($conn->connect_error) {
-    die("Koneksi gagal: " . $conn->connect_error);
+    if (!headers_sent()) {
+        http_response_code(500);
+        header('Content-Type: application/json; charset=UTF-8');
+    }
+    die(json_encode([
+        'status'  => 'error',
+        'message' => 'Koneksi database gagal: ' . $conn->connect_error,
+    ]));
 }
-// Set charset
-$conn->set_charset("utf8mb4");
 
-// Jika di-include oleh file API, biarkan $conn tersedia
+$conn->set_charset('utf8mb4');
 ?>