How to Create a ReplicaSets On Kubernetes AKS Cluster

This post will show you how to create ReplicaSets on a Kubernetes Cluster running on Azure AKS.

ReplicaSets

Kubernetes, ReplicaSets allows us to deploy applications to a Kubernetes cluster and ensure a minimum number of pods are always running. ReplicaSet allows us to configure a desire state configuration to deployments.

Configuration

In the following configuration, I am deploying a replicaset called nginxreplicaset with 3 replicas pod.

apiVersion: apps/v1
kind: ReplicaSet
metadata:
  name: nginxreplicaset
  labels:
    versionnumber: v1
spec:
  replicas: 3
  selector:
    matchLabels:
      versionnumber: v1
  template:
    metadata:
      labels:
        versionnumber: v1
    spec:
      containers:
      - name: nginx
        image: nginx