add Dockerfiles and update all configs for deployment

parsil_jalan_jalanrusak/api/config.php

@@ -1,9 +1,9 @@
 <?php
 // config.php - Konfigurasi Database
-define('DB_HOST', 'localhost');
-define('DB_USER', 'root');
-define('DB_PASS', '');
-define('DB_NAME', 'polyline_polygon');
+define('DB_HOST', getenv('DB_HOST') ?: 'localhost');
+define('DB_USER', getenv('DB_USER') ?: 'root');
+define('DB_PASS', getenv('DB_PASS') ?: '');
+define('DB_NAME', getenv('DB_NAME') ?: 'polyline_polygon');
 
 function getDB() {
     $conn = new mysqli(DB_HOST, DB_USER, DB_PASS, DB_NAME);