How to deploy PostgreSQL database in Kubernetes
In this blog, I will explain how you can create a PostgreSQL running on a container with multiple pods on Kubernetes (K8). Although there are different Kubernetes environment you can leverage, I will demonstrate this using Minikube because it is quite simple to install and to start through a local enviroment. But since I will primarily drive this through Kubernetes resource files in YAML format, you will not likely to face much difference whether you use cloud platforms like Amazon Web Service (AWS), Microsoft Azure, or GCP or even some special Kubernetes variation like Red Hat Openshift. Without further ado, let’s get started.
What we will achieve by the end of this blog:
So, what will happen you complete this tutorial by following steps outlined here? You will achieve the following objectives:
- You will learn how you can deploy a PostgreSQL with multiple pods on a Kubernetes platform, which in our case is Minikube
- You will learn how you can write several Kubernetes resources files that deploys PostgreSQL on Kubernetes with ability to authenticate with basic credentials and extra sample data
- You can verify the deployed resources from Minikube and also through kubectl, which is a Kubernetes CLI
- You can verify that the data exists by connecting to one of deployed pods in Kubernetes
