Slides from our talk "Service discovery and configuration provisioning" presented by Mariusz Gil at PHP Benelux 2016 Apache Zookeeper or Consul are almost completely unknown in the PHP world, although its use solves a lot of typical problems. In a nutshell, they are a central services of provisioning configuration information, distributed synchronization and coordination of servers/processes. It simplifies the processes of application configuration management, so it is possible to change its settings and operation in real time (eg. feature flagging). During the presentation the typical cases of use of Zookeeper/Consul in PHP applications will be presented, both strictly web and workers running from the CLI.