upstream lbByOMC  {
    server 127.0.0.1:33030 max_fails=3 fail_timeout=30s;
    #server 127.0.0.2:33030 max_fails=3 fail_timeout=30s;
}

server {
    listen       33040;
    listen  [::]:33040;
    server_name  omc;

    client_max_body_size 100M;
    keepalive_timeout    180s;
    
    # access_log  /var/log/nginx/host.access.log  main;

    location / {
        proxy_cache_bypass                  $http_upgrade;
        proxy_set_header Upgrade            $http_upgrade;
        proxy_set_header Connection         "upgrade";
        proxy_set_header Host               $host;
        proxy_set_header X-Real-IP          $remote_addr;
        proxy_set_header X-Forwarded-For    $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto  $scheme;
        proxy_set_header X-Forwarded-Host   $host;
        proxy_set_header X-Forwarded-Port   $server_port;

        proxy_connect_timeout  180s;
        proxy_send_timeout     180s;
        proxy_read_timeout     180s;

        proxy_pass https://lbByOMC;
    }
}