haproxy.cfg

global
  log stdout format raw local0 err
#  nbproc                            8
  nbthread                          32   # don't set this manually. See Update 4 below
  cpu-map                           1/all 0-7  # don't set this manually. See Update 4 below
  tune.ssl.default-dh-param         2048
  tune.ssl.capture-cipherlist-size  1
  ssl-server-verify                 none
  maxconn                           32748
  daemon

defaults
  timeout client                    60s
  timeout client-fin                 1s
  timeout server                    30s
  timeout server-fin                 1s
  timeout connect                   10s
  timeout http-request              10s
  timeout http-keep-alive           10s
  timeout queue                     10m
  timeout check                     10s
  mode                              http
  log                               global
  option                            dontlog-normal
  option                            httplog
  option                            dontlognull
  option                            http-use-htx
  option                            http-server-close   # don't set this!!! See Update 4 below
  option                            http-buffer-request
  option                            redispatch
  retries                           3000

frontend test_fe
  bind :::8080
  #bind :::8080 ssl crt /home/ubuntu/tests/tls/server.pem
  default_backend test_be

backend test_be
  #balance roundrobin
  balance leastconn
  #balance random(2)
  server go1 127.0.0.1:8081 no-check 
  server go2 127.0.0.1:8082 no-check
  server go3 127.0.0.1:8083 no-check 
  server go4 127.0.0.1:8084 no-check