nginx.conf

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

    # Security headers
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header Referrer-Policy "no-referrer-when-downgrade" always;

    # Gzip compression
    gzip on;
    gzip_vary on;
    gzip_min_length 1024;
    gzip_comp_level 6;
    gzip_types
        text/plain
        text/css
        text/xml
        text/javascript
        text/markdown
        application/javascript
        application/json
        application/xml+rss
        application/atom+xml
        image/svg+xml;

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

    # Handle VitePress assets directory
    location /assets/ {
        expires 1y;
        add_header Cache-Control "public, immutable";
        access_log off;
    }

    # Serve markdown files (for source viewing)
    location ~* \.md$ {
        expires 1h;
        add_header Cache-Control "public, must-revalidate";
        add_header Content-Type "text/markdown; charset=utf-8";
    }

    # JSON files (search index, etc.)
    location ~* \.json$ {
        expires 1d;
        add_header Cache-Control "public, must-revalidate";
        add_header Content-Type "application/json; charset=utf-8";
    }

    # Main VitePress routing - simplified and more efficient
    location / {
        # VitePress clean URL handling
        try_files $uri $uri.html $uri/ $uri/index.html /index.html;
        
        # HTML files get proper caching
        location ~* \.html$ {
            expires 1h;
            add_header Cache-Control "public, must-revalidate";
        }
    }

    # Robots and sitemap
    location = /robots.txt {
        expires 1d;
        add_header Cache-Control "public, must-revalidate";
    }

    location = /sitemap.xml {
        expires 1d;
        add_header Cache-Control "public, must-revalidate";
    }

    # Error pages
    error_page 404 /404.html;
    error_page 500 502 503 504 /50x.html;

    # Health check for CapRover
    location /health {
        access_log off;
        return 200 "healthy\n";
        add_header Content-Type text/plain;
    }

    # CapRover identifier (if needed)
    location /.well-known/captain-identifier {
        return 200 "captain-identifier-file-content";
        add_header Content-Type text/plain;
    }

    # Deny access to hidden files
    location ~ /\. {
        deny all;
        access_log off;
        log_not_found off;
    }
}