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

    # Jekyll clean URLs - try .html extension
    location / {
        try_files $uri $uri.html $uri/ =404;
    }

    # Handle 404 errors
    error_page 404 /404.html;
    location = /404.html {
        internal;
    }

    # Handle server errors
    error_page 500 502 503 504 /50x.html;
    location = /50x.html {
        internal;
    }
}