fix redirect bug

Dockerfile

@@ -9,5 +9,6 @@ RUN npm run build
 # Production stage
 FROM nginx:alpine
 COPY --from=build /app/build /usr/share/nginx/html
+COPY nginx.conf /etc/nginx/conf.d/default.conf
 EXPOSE 80
-CMD ["nginx", "-g", "daemon off;"]
+CMD ["nginx", "-g", "daemon off;"]

nginx.conf

@@ -0,0 +1,19 @@
+# nginx.conf
+server {
+  listen 80;
+  server_name localhost;
+
+  root /usr/share/nginx/html;
+  index index.html;
+
+  location / {
+    try_files $uri /index.html;
+  }
+
+  # Optional: serve static files directly
+  location ~* \.(js|css|png|jpg|jpeg|gif|svg|ico|woff2?|ttf|eot|otf|ttc|json)$ {
+    try_files $uri =404;
+    access_log off;
+    add_header Cache-Control "public, max-age=31536000, immutable";
+  }
+}