config: 정적에셋 캐싱 설정 추가

issues: #1

Author: BHyeonKim

nginx.conf

@@ -14,6 +14,9 @@ http {
     include       /etc/nginx/mime.types;
     default_type  application/octet-stream;
 
+    # 캐시 설정
+    proxy_cache_path /var/cache/nginx levels=1:2 keys_zone=STATIC_CACHE:10m max_size=1g inactive=60m use_temp_path=off;
+
     log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                       '$status $body_bytes_sent "$http_referer" '
                       '"$http_user_agent" "$http_x_forwarded_for"';
@@ -118,5 +121,24 @@ http {
         proxy_read_timeout 86400s;
         proxy_send_timeout 86400s;
       }
+
+      location ~* \.(js|css|png|jpg|jpeg|webp|gif|svg|ico|woff|woff2|ttf)$ {
+        proxy_pass http://react_app;  # 리액트 앱으로부터 정적 파일 제공
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+
+        # 서버 측 캐싱 설정
+        proxy_cache STATIC_CACHE;
+        proxy_cache_valid 200 302 60m;
+        proxy_cache_valid 404 1m;
+        proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;
+        proxy_cache_revalidate on;
+        proxy_cache_min_uses 1;
+        proxy_cache_lock on;
+
+        expires 60m;
+        add_header Cache-Control "public, immutable, no-transform, max-age=3600";
+        add_header X-Cache $upstream_cache_status;
+      }
     }
 }