Add docker entrypoint and env loader

kngil/auth/oidc-login.php

@@ -5,6 +5,21 @@ $config = require_once dirname(__DIR__) . '/bbs/oidc_config.php';
 
 use Jumbojett\OpenIDConnectClient;
 
+$requiredKeys = ['issuer', 'client_id', 'client_secret', 'redirect_url'];
+$missingKeys = [];
+foreach ($requiredKeys as $key) {
+    if (empty($config[$key])) {
+        $missingKeys[] = $key;
+    }
+}
+
+if (!empty($missingKeys)) {
+    http_response_code(500);
+    header('Content-Type: text/plain; charset=utf-8');
+    echo 'OIDC 설정 누락: ' . implode(', ', $missingKeys);
+    exit;
+}
+
 $oidc = new OpenIDConnectClient(
     $config['issuer'],
     $config['client_id'],
@@ -17,4 +32,12 @@ $oidc->addScope($config['scopes']);
 // 필요한 경우 PKCE 활성화
 // $oidc->setCodeChallengeMethod('S256');
 
-$oidc->authenticate();
+try {
+    $oidc->authenticate();
+} catch (Throwable $e) {
+    error_log($e->getMessage());
+    http_response_code(500);
+    header('Content-Type: text/plain; charset=utf-8');
+    echo 'OIDC 인증 중 오류가 발생했습니다.';
+    exit;
+}