From ede46fda8243c73eaa795660fa5c3f723205ae42 Mon Sep 17 00:00:00 2001
From: miteruzo <miteruzo@naver.com>
Date: Mon, 21 Jul 2025 17:24:01 +0900
Subject: [PATCH 1/2] =?UTF-8?q?=E7=B4=B0=E9=83=A8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 backend/app/controllers/posts_controller.rb | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/backend/app/controllers/posts_controller.rb b/backend/app/controllers/posts_controller.rb
index 60f3577..feb2340 100644
--- a/backend/app/controllers/posts_controller.rb
+++ b/backend/app/controllers/posts_controller.rb
@@ -19,8 +19,16 @@ class PostsController < ApplicationController
       posts = posts.first(limit)
     end
 
-    render json: { posts:       posts.as_json(include: { tags: { only: [:id, :name, :category, :post_count] } }),
-                   next_cursor: }
+    render json: { posts: posts.map { |post|
+      post.as_json(include: { tags: { only: [:id, :name, :category, :post_count] } }).tap { |json|
+        json['thumbnail'] =
+            if post.thumbnail.attached?
+              rails_storage_proxy_url(post.thumbnail, only_path: false)
+            else
+              nil
+            end
+      }
+    }, next_cursor: }
   end
 
   def random

From f3bd9bea777ea8cf18f1e22af0a3a02de25c0c5a Mon Sep 17 00:00:00 2001
From: miteruzo <miteruzo@naver.com>
Date: Mon, 21 Jul 2025 17:25:18 +0900
Subject: [PATCH 2/2] =?UTF-8?q?#80=20=E7=94=BB=E5=83=8F=E8=AA=AD=E8=BE=BC?=
 =?UTF-8?q?=E3=81=AE=E5=84=AA=E5=85=88=E5=BA=A6?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 frontend/public/.htaccess                 | 6 ++++++
 frontend/src/pages/posts/PostListPage.tsx | 5 ++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/frontend/public/.htaccess b/frontend/public/.htaccess
index 133a5f4..51ba3ad 100644
--- a/frontend/public/.htaccess
+++ b/frontend/public/.htaccess
@@ -1,3 +1,9 @@
+<IfModule mod_headers.c>
+  <FilesMatch "\.(css|js|jpg|png|webp|woff2?)$">
+    Header set Cache-Control "max-age=31536000, public"
+  </FilesMatch>
+</IfModule>
+
 <IfModule mod_rewrite.c>
   RewriteEngine On
   RewriteBase /
diff --git a/frontend/src/pages/posts/PostListPage.tsx b/frontend/src/pages/posts/PostListPage.tsx
index 79a826f..600a3dd 100644
--- a/frontend/src/pages/posts/PostListPage.tsx
+++ b/frontend/src/pages/posts/PostListPage.tsx
@@ -94,13 +94,16 @@ export default () => {
 	      {posts.length
 	       ? (
 		  <div className="flex flex-wrap gap-4 gap-y-8 p-4 justify-between">
-		  {posts.map (post => (
+		  {posts.map ((post, i) => (
 		      <Link to={`/posts/${ post.id }`}
 			    key={post.id}
 			    className="w-40 h-40 overflow-hidden rounded-lg shadow-md hover:shadow-lg">
 			<img src={post.thumbnail || post.thumbnailBase || undefined}
 			     alt={post.title || post.url}
 			     title={post.title || post.url || undefined}
+			     loading="eager"
+			     fetchPriority="high"
+			     decoding="async"
 			     className="object-none w-full h-full" />
 		      </Link>))}
 		  </div>)