server {
    listen 80;
    server_name _;

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

    gzip on;
    gzip_vary on;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_types
        text/plain
        text/css
        text/javascript
        application/javascript
        application/json
        application/xml
        image/svg+xml;

    # Long-lived cache for Astro's content-hashed assets
    location /_astro/ {
        expires 1y;
        add_header Cache-Control "public, immutable";
        access_log off;
    }

    # Long-lived cache for static media
    location ~* \.(ico|svg|png|jpg|jpeg|gif|webp|woff|woff2|ttf|eot)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
        access_log off;
    }

    # Astro outputs pages as directories: /about → about/index.html
    location / {
        try_files $uri $uri/ $uri/index.html =404;
    }

    error_page 404 /404.html;
    location = /404.html {
        internal;
    }
}