Kubernetes

A collection of Kubernetes posts.

Kubernetes Overview

Overview of Kubernetes, what it does, how it does it and alternatives to Kubernetes.

Deploying Kubernetes options

Once you’ve decided on using Kubernetes, you have a variety of methods for deploying Kubernetes. Single-node, Multi-node, Vendor managed, on-prem etc.

Kubernetes Architecture

A basic level architecture overview of Kubernetes is the focus of this post. Clusters, Nodes, Control Plane, Pods, Services and Deployments are touched upon.

Kubernetes Multi-Container Pods

In this post, I will show how to run a multi-container pod that implements a three tier application in a Kubernetes namespace.

Kubernetes Autoscaling Demonstration

Autoscaling uses metrics server to collect metrics about the cluster and uses this info to make scaling decisions. In this demo, I will show how to create me...

Kubernetes Deployments in Depth

Instead of creating Pods, we will create deployments and use an example 3-tier application to illustrate scaling and load balancing.

Kubernetes Init Containers

Init Containers let you perform some tasks or check some preconditions before the main application container starts. In this post, I will use an example to s...

Kubernetes Volumes

Volumes, PersistentVolumes, PersistentVolumeClaims are explored in depth with the use of an example to demonstrate the need for these and how to use them.

Kubernetes ConfigMaps and Secrets

Kubernetes provides ConfigMaps and Secrets resource kinds to allow you to separate configuration from pod’s specs. This separation makes it easier to manage ...