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

    # Static website (Eleventy output). Long-cache the hashed assets; let HTML
    # revalidate so content updates show promptly.
    location ~* \.(?:css|js|svg|png|jpg|jpeg|gif|ico|woff2?)$ {
        add_header Cache-Control "public, max-age=2592000";
    }
    location / {
        add_header Cache-Control "no-cache, must-revalidate";
        try_files $uri $uri/ $uri.html =404;
    }
}