feat: GTSIT 사이트 구축

config/database.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+$candidates = array_filter([
+    getenv('GTSIT_DB_ENV') ?: null,
+    dirname(__DIR__) . '/.secrets/db.env',
+    '/home/hosting_users/gts0201/.gtsit-db.env',
+]);
+
+$values = [];
+foreach ($candidates as $candidate) {
+    if (!is_readable($candidate)) {
+        continue;
+    }
+
+    foreach (file($candidate, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES) ?: [] as $line) {
+        $line = trim($line);
+        if ($line === '' || str_starts_with($line, '#') || !str_contains($line, '=')) {
+            continue;
+        }
+
+        [$key, $value] = array_map('trim', explode('=', $line, 2));
+        $values[$key] = trim($value, "\"'");
+    }
+    break;
+}
+
+return [
+    'host' => $values['DB_HOST'] ?? 'localhost',
+    'port' => (int) ($values['DB_PORT'] ?? 3306),
+    'name' => $values['DB_NAME'] ?? '',
+    'user' => $values['DB_USER'] ?? '',
+    'password' => $values['DB_PASSWORD'] ?? '',
+    'charset' => 'utf8mb4',
+];