upstream vless-ws {
    server 127.0.0.1:10001;
    keepalive_timeout 3600s;
    keepalive_requests 4069;
    keepalive 1000;
}

upstream vmess-ws {
    server 127.0.0.1:10002;
    keepalive_timeout 3600s;
    keepalive_requests 4069;
    keepalive 1000;
}

upstream trojan-ws {
    server 127.0.0.1:10003;
    keepalive_timeout 3600s;
    keepalive_requests 4069;
    keepalive 1000;
}
