rootfs/etc/caddy/snippets.caddyfile

(cors) {
    @origin header Origin {args.0}
	header @origin Access-Control-Allow-Origin "{args.0}"
    header @origin Access-Control-Request-Method GET
}

(homedir) {
    @user_home path_regexp user ^/~([^/]+)(/.*)?$
    handle @user_home {
        redir /~{re.user.1} /~{re.user.1}/ permanent
        root * {args.0}{re.user.1}/www
        rewrite * {re.user.2}
        file_server browse {
            hide .[A-Za-z]*
        }
    }
}

(nobots) {
    respond /robots.txt 200 {
        body "User-agent: *
Disallow: /"
        close
    }
}

(tls-cf) {
    tls {
        dns cloudflare {args.0}
        resolvers 1.1.1.1
    }
}