server {
    listen 80;
    server_name _;
    root /usr/share/nginx/html;
    index index.html;

    # Enable gzip compression
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml text/javascript;

    # Cache static assets
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
    }

    # Static file serving — no SPA fallback.
    # Quartz generates complete HTML for every page, so all valid URLs
    # map to real files. Non-existent paths get 404.html (generated by
    # Quartz's NotFoundPage plugin), preventing the spider-trap issue
    # where crawlers would get index.html for fabricated URLs.
    location / {
        try_files $uri $uri/ $uri.html =404;
    }

    error_page 404 /404.html;

    # Health check endpoint
    location /healthz {
        access_log off;
        return 200 "ok\n";
        add_header Content-Type text/plain;
    }
}