add dockerfile

nginx.conf

@@ -0,0 +1,65 @@
+user  nginx;
+worker_processes  auto;
+
+error_log  /dev/stderr  warn;
+pid        /var/run/nginx.pid;
+
+events {
+    worker_connections  1024;
+}
+
+http {
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+
+    access_log  /dev/stdout;
+
+    sendfile        on;
+    tcp_nopush      on;
+    keepalive_timeout  65;
+    server_tokens   off;
+
+    # Compression: takes the main JS bundle from ~1.9 MB down to ~530 kB on the wire
+    gzip              on;
+    gzip_vary         on;
+    gzip_proxied      any;
+    gzip_comp_level   6;
+    gzip_min_length   1024;
+    gzip_types
+        text/plain
+        text/css
+        text/xml
+        text/javascript
+        application/javascript
+        application/json
+        application/xml
+        image/svg+xml
+        font/woff
+        font/woff2;
+
+    server {
+        listen 80;
+        server_name _;
+
+        root  /usr/share/nginx/html;
+        index index.html;
+
+        # Vite writes content-hashed filenames here, so they can be cached forever.
+        # Only add_header is used — combining it with `expires` emits two
+        # conflicting Cache-Control headers.
+        location /assets/ {
+            add_header Cache-Control "public, max-age=31536000, immutable";
+            access_log off;
+        }
+
+        # index.html must be revalidated every time or deploys won't take effect
+        location = /index.html {
+            add_header Cache-Control "no-cache";
+        }
+
+        location / {
+            # This line forces Nginx to pass routing back to React Router
+            try_files $uri $uri/ /index.html;
+        }
+    }
+}