test.sascha-lutz.de {
    reverse_proxy host-gateway:18097 {
        flush_interval -1
        transport http {
            read_buffer 64kb
        }
    }
    log {
        output file /var/log/caddy/test.sascha-lutz.de.log {
            roll_size 50MiB
            roll_keep 3
        }
    }
}