server {
    listen 5173;
    server_name _;
    root /usr/share/nginx/html;
    index index.html;

    gzip on;
    gzip_types text/plain text/css application/javascript application/json image/svg+xml;

    # Hashed bundle assets are immutable; index.html and config.js are not.
    location /assets/ {
        add_header Cache-Control "public, max-age=31536000, immutable";
        try_files $uri =404;
    }

    location = /config.js {
        add_header Cache-Control "no-store";
    }

    # Single-page app: every unknown path renders index.html.
    location / {
        add_header Cache-Control "no-cache";
        try_files $uri $uri/ /index.html;
    }
}