nginx Third, load balancing

#user  nobody;
worker_processes  2;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       mime.types;
    default_type  application/octet-stream;

    server_names_hash_bucket_size 128;

    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    #                  '$status $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';

    #access_log  logs/access.log  main;
    
    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  65;

    gzip  on;

    upstream hm-pay-api{
      server 192.168.1.125:9002 fail_timeout=5s max_fails=1 ;
      server 192.168.1.125:9003 fail_timeout=5s max_fails=1 down;
    }

    server {
        listen       9001;
        server_name  localhost;
        if ($time_iso8601 ~ "^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})"){
              set $year $1;set $month $2;set $day $3;set $hour $4;set $minutes $5;set $seconds $6;
        }
        access_log logs/access/$year-$month-$day-$hour-access.log;
        location / {
            proxy_pass http://xxx-xxx-api;
            index  index.html index.htm;
            proxy_connect_timeout 2s;
            proxy_set_header   Host             $host;
            proxy_set_header   X-Real-IP        $remote_addr;
            proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;
        }
    }
}