server {
    listen 8080;

    root /usr/share/nginx/html;
    index index.html;

    # SPA fallback: all unmatched paths → app shell
    location / {
        try_files $uri $uri/ /index.html;
    }

    # Long-lived cache for fingerprinted assets
    location ~* \.(js|css|woff2?|ttf|eot|svg|png|jpg|jpeg|gif|ico)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
    }

    # Never cache the entry point
    location = /index.html {
        add_header Cache-Control "no-store, no-cache, must-revalidate";
    }
}