global
  log stdout format raw local0
  maxconn 4000

defaults
  log global
  mode tcp
  option tcplog
  timeout connect 5s
  timeout client 60s
  timeout server 60s

listen postgres-primary
  bind *:5432
  option httpchk GET /primary
  http-check expect status 200
  default-server inter 2s fall 3 rise 2 on-marked-down shutdown-sessions
  server pg1 10.0.0.11:5432 check port 8008
  server pg2 10.0.0.12:5432 check port 8008
  server pg3 10.0.0.13:5432 check port 8008

listen postgres-replicas
  bind *:5433
  option httpchk GET /replica?lag=16MB
  http-check expect status 200
  balance roundrobin
  default-server inter 2s fall 3 rise 2
  server pg1 10.0.0.11:5432 check port 8008
  server pg2 10.0.0.12:5432 check port 8008
  server pg3 10.0.0.13:5432 check port 8008