diff --git a/api.php b/api.php
index 3e81ba8..cb6ba5c 100644
--- a/api.php
+++ b/api.php
@@ -6,15 +6,23 @@ header('Access-Control-Allow-Methods: POST, GET, OPTIONS');
 header('Access-Control-Allow-Headers: Content-Type');
 if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') { http_response_code(204); exit; }
 
-define('DB_HOST', 'localhost');
-define('DB_NAME', 'sipkem');
-define('DB_USER', 'root');
-define('DB_PASS', '');
+// ── Koneksi DB pakai environment variable ──────────────────────────────────
+// Set env var ini di Coolify → resource app PHP → Environment Variables:
+//   DB_HOST     = mysql-database-bwg8woskog0osso8wg4s4ogk
+//   DB_PORT     = 3306
+//   DB_NAME     = default
+//   DB_USER     = mysql
+//   DB_PASS     = (password dari Coolify)
+$db_host = getenv('DB_HOST') ?: 'localhost';
+$db_port = getenv('DB_PORT') ?: '3306';
+$db_name = getenv('DB_NAME') ?: 'sipkem';
+$db_user = getenv('DB_USER') ?: 'root';
+$db_pass = getenv('DB_PASS') ?: '';
 
 try {
     $pdo = new PDO(
-        'mysql:host='.DB_HOST.';dbname='.DB_NAME.';charset=utf8mb4',
-        DB_USER, DB_PASS,
+        "mysql:host={$db_host};port={$db_port};dbname={$db_name};charset=utf8mb4",
+        $db_user, $db_pass,
         [
             PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
             PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
@@ -278,4 +286,4 @@ try {
 } catch (PDOException $e) {
     http_response_code(500);
     echo json_encode(['ok' => false, 'error' => $e->getMessage()]);
-}
+}
\ No newline at end of file
diff --git a/test_db.php b/test_db.php
deleted file mode 100644
index 6a790f9..0000000
--- a/test_db.php
+++ /dev/null
@@ -1,12 +0,0 @@
-<?php
-$host = getenv('DB_HOST');
-$db   = getenv('DB_DATABASE');
-$user = getenv('DB_USERNAME');
-$pass = getenv('DB_PASSWORD');
-
-try {
-    $pdo = new PDO("mysql:host=$host;dbname=$db;charset=utf8", $user, $pass);
-    echo "✓ Koneksi berhasil! Host: $host | DB: $db";
-} catch (PDOException $e) {
-    echo "✗ Gagal: " . $e->getMessage();
-}
\ No newline at end of file