From 38209048b8b56b0d0e47966ccf67935330f741e6 Mon Sep 17 00:00:00 2001
From: VPS 4 Deploy Agent <deploy@clube67.com>
Date: Sat, 30 May 2026 19:48:19 +0200
Subject: [PATCH] =?UTF-8?q?perf(thumbnail):=20cache=20imut=C3=A1vel=20de?=
 =?UTF-8?q?=201=20ano=20no=20navegador=20(repeat=20visit=20=3D=200=20reque?=
 =?UTF-8?q?st)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 dental-server/server.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dental-server/server.js b/dental-server/server.js
index 4c65205..d306e7e 100644
--- a/dental-server/server.js
+++ b/dental-server/server.js
@@ -536,7 +536,9 @@ publicImageRoutes.get('/:id/thumbnail', async (req, res) => {
     );
     if (!image) return res.status(404).json({ error: 'Imagem não encontrada' });
 
-    res.setHeader('Cache-Control', 'public, max-age=86400');
+    // Thumb de um id nunca muda → cache agressivo no navegador (1 ano, imutável).
+    // Repetir visita = 0 requisição ao servidor (served from disk cache).
+    res.setHeader('Cache-Control', 'public, max-age=31536000, immutable');
 
     // 1. Já existe thumbnail — serve direto (local ou Wasabi)
     if (image.thumb_filename) {