// Accepts incoming connections and launches the sessions
void
make_listener(
    std::string_view doc_root,
    net::ipv4_endpoint ep,
    cppcoro::io_service& ios)
{
    [&]() -> cppcoro::task<void>
    {
        net::socket acceptor(net::socket::create_tcpv4(ios));
        acceptor.bind(ep);
        acceptor.listen();
        for(;;)
        {
            net::socket sock(net::socket::create_tcpv4(ios));
            co_await acceptor.accept(sock);
        }
    };
};