======Overview======
In this chapter we will discuss the newer and more optimized HAproxy stack, which include the following installations and configurations:

{{ :haproxyoverview.png?300 |}}

  - [[postgresqlha_haproxystack_etcd|ETCD]]
  - [[postgresqlha_haproxystack_haproxy|HAproxy]]
  - [[postgresqlha_haproxystack_patroni|Patroni]]