update

app/Config/Routes.php

@@ -7,6 +7,7 @@ $routes->set404Override('App\Controllers\RoutesController::notfound');
 // Dev/Health Check
 $routes->get('/', 'DevController::sukses');
 $routes->get('/sukses', 'DevController::sukses');
+$routes->get('testdb', 'TestDb::test');
 
 // Authentication & Profile
 $routes->post('auth', 'SuperUserController::auth');

app/Controllers/TestDb.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Controllers;
+
+class TestDb extends BaseController
+{
+    public function test()
+    {
+        try {
+            $db = \Config\Database::connect();
+            $query = $db->query('SELECT 1');
+            echo "Default DB connection successful\n";
+        } catch (\Exception $e) {
+            echo "Default DB connection failed: " . $e->getMessage() . "\n";
+        }
+
+        try {
+            $db = \Config\Database::connect('postgre');
+            $query = $db->query('SELECT 1');
+            echo "Postgre DB connection successful\n";
+        } catch (\Exception $e) {
+            echo "Postgre DB connection failed: " . $e->getMessage() . "\n";
+        }
+        
+        die;
+    }
+}