A Kubernetes ReplicaSet ensures that a specified number of identical Pods are always running in your cluster. Its main role is to maintain high availability and consistency by automatically creating or deleting Pods as needed. In simple terms, a ReplicaSet…
A Deployment in Kubernetes is one of the most essential controllers for managing stateless application workloads. It works as a higher-level abstraction that handles Pods and ReplicaSets, making it easier to define, update, and scale applications with minimal downtime. In…
If you’re new to Kubernetes, you’ll quickly come across the term Pod. Think of a Pod as the smallest building block in the Kubernetes world. Just like Lego pieces snap together to create bigger structures, Pods are the foundation upon…
The kube-apiserver is the central gateway of the Kubernetes control plane, exposing the Kubernetes API and managing communication between users, components, and the etcd database. Simply put, whenever you run a command with kubectl or send a REST request, it…
If you’re wondering what is ETCD, it’s a distributed, reliable key-value store that is simple, secure, and fast. It plays a critical role in modern distributed systems, especially Kubernetes, by ensuring that cluster data remains consistent across all nodes. Built…
When working with Kubernetes, you’ll often hear about Docker and Containerd as container runtimes. Both play a role in running and managing containers, but they serve different purposes. Understanding their differences will help you choose the right runtime for your…
