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Patroni-Docker

Overview

Patroni-Docker is a project aimed at simplifying the deployment and management of a PostgreSQL high-availability cluster using Patroni within Docker containers. Patroni is a template for PostgreSQL HA using Python and ZooKeeper, etcd, or Consul for the coordination and consensus.

Prerequisites:

  • Docker installed on your system.
  • Basic understanding of Docker and PostgreSQL concepts.

Examples

Ansible

For our example, we will take three nodes and run etcd + patroni clusters on them. We will also configure haproxy running on other nodes for load balancing. I deployed with ansilbe.

Ansible example here

Docker Compose

Docker Compose example here