refactor(infra): serve frontend static files via nginx volume mount

Replace app-server proxy with direct static file serving from nginx.
The frontend service builds assets into a shared volume, and the
reverse-proxy serves them with SPA fallback via try_files.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/nginx.conf b/nginx.conf
index e2a3dd3..11ac5ed 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -3,9 +3,13 @@ events {
 }
 
 http {
+  include mime.types;
+
   server {
     listen 80;
 
+    root /var/www;
+
     location /iosdc-japan/2025/code-battle/files/ {
       alias /var/www/files/;
     }
@@ -27,11 +31,7 @@ http {
     }
 
     location /iosdc-japan/2025/code-battle/ {
-      proxy_pass http://app-server;
-      proxy_set_header Host $host;
-      proxy_set_header X-Real-IP $remote_addr;
-      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-      proxy_set_header X-Forwarded-Proto $scheme;
+      try_files $uri $uri/ /iosdc-japan/2025/code-battle/index.html;
     }
   }
 }