server {
    listen 80;
    server_name _;

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

    # SPA fallback
    location / {
        try_files $uri $uri/ /index.html;
        add_header Cache-Control "no-store, no-cache, must-revalidate";
    }

    # Vite build outputs to /assets by default
    location /assets/ {
        expires 1y;
        add_header Cache-Control "public, immutable";
        try_files $uri =404;
    }

    # optional: favicon (avoid noisy logs if missing)
    location = /favicon.ico {
        try_files $uri =204;
        access_log off;
        log_not_found off;
    }
}