nginx.conf

server {
    listen 80;
    server_name _;

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

    # Fumadocs inlines the navigation tree and the RSC payload into every page,
    # so pages are ~290 KB raw but ~27 KB gzipped. The search index is 8.6 MB
    # raw / 1.4 MB gzipped. Serving these uncompressed is not viable.
    gzip on;
    gzip_comp_level 6;
    gzip_min_length 1024;
    gzip_vary on;
    gzip_proxied any;
    gzip_types
        text/plain
        text/css
        text/markdown
        application/json
        application/javascript
        application/octet-stream
        image/svg+xml;
    # text/html is always compressed by nginx and must not be listed here

    # Serve the home page directly. Without this, the `index index.html`
    # fallback below rewrites "/" to "/index.html", which the redirect rule
    # then bounces to "/index".
    location = / {
        try_files /index.html =404;
    }

    location ~ ^(.+)\.html$ {
        return 301 $1;
    }

    location / {
        try_files $uri $uri.html $uri/ =404;
    }
}