From 54dd4bb7a6ceff54486a39dee06159fdc22376b1 Mon Sep 17 00:00:00 2001
From: Hank <a6209123456789@yahoo.com.tw>
Date: Fri, 29 May 2026 01:57:04 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E6=96=B0=E5=A2=9E=20/health=20?=
 =?UTF-8?q?=E7=AB=AF=E9=BB=9E=E4=BE=9B=20UptimeRobot=20=E7=9B=A3=E6=8E=A7?=
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檢查 DB 連線、Redis ping、Cache 讀寫，任一失敗回傳 503。
回應包含 timestamp、environment、PHP/Laravel 版本、記憶體用量。

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 routes/web.php | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/routes/web.php b/routes/web.php
index 86a06c5..d414f41 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -1,7 +1,40 @@
 <?php
 
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Redis;
 use Illuminate\Support\Facades\Route;
 
+Route::get('/health', function () {
+    $checks = ['db' => false, 'redis' => false, 'cache' => false];
+
+    try {
+        DB::connection()->getPdo();
+        $checks['db'] = true;
+    } catch (\Throwable) {}
+
+    try {
+        Redis::ping();
+        $checks['redis'] = true;
+    } catch (\Throwable) {}
+
+    try {
+        cache()->put('health_check', 'ok', 5);
+        $checks['cache'] = cache()->get('health_check') === 'ok';
+    } catch (\Throwable) {}
+
+    $healthy = $checks['db'] && $checks['redis'] && $checks['cache'];
+
+    return response()->json([
+        'status'      => $healthy ? 'ok' : 'degraded',
+        'timestamp'   => now()->toIso8601String(),
+        'environment' => app()->environment(),
+        'php_version' => PHP_VERSION,
+        'laravel'     => app()->version(),
+        'memory_mb'   => round(memory_get_usage(true) / 1024 / 1024, 2),
+        'checks'      => $checks,
+    ], $healthy ? 200 : 503);
+});
+
 Route::get('/', function () {
     return view('welcome');
 });