# Config from Blog-article "How to Run HAProxy with Docker"
defaults
  mode http
  timeout client 10s
  timeout connect 5s
  timeout server 10m
  timeout http-request 10s
  log global
  default-server init-addr last,libc,none

global
  stats socket ipv4@:8401 level admin
  stats socket /var/run/haproxy.sock mode 666 level admin
  stats timeout 2m

frontend stats
  bind *:8404
  stats enable
  stats uri /
  stats refresh 10s

frontend frontend
  bind :8400
  default_backend random
  use_backend %[req.hdr(X-Shard),map(/usr/local/etc/haproxy/sharding.map)]

backend random
  server b1 backend-1:8080 check
  server b2 backend-2:8080 check
  server b3 backend-3:8080 check

backend backend_1
  server b1 backend-1:8080 check

backend backend_2
  server b2 backend-2:8080 check

backend backend_3
  server b3 backend-3:8080 check