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Cloud native

Understanding Kubernetes ReplicaSets: Ensuring High Availability for Your Applications

Understanding Kubernetes ReplicaSets: Ensuring High Availability for Your Applications

Dive deep into Kubernetes ReplicaSets, learning how they ensure application availability and scaling. Perfect for KCNA preparation.

Understanding Kubernetes Pods: The Building Blocks of Your Cloud-Native Applications

Understanding Kubernetes Pods: The Building Blocks of Your Cloud-Native Applications

Dive deep into Kubernetes pods, the fundamental units of deployment. Learn about pod structure, lifecycle, and best practices in this comprehensive guide for KCNA preparation.

Introduction to Kubernetes: Your Journey Begins Here

Introduction to Kubernetes: Your Journey Begins Here

Begin your Kubernetes journey with this comprehensive introduction. Learn about K8s architecture, key benefits, and basic objects in this KCNA study guide.

Docker for Beginners: Understanding Containerd, CRI-O, and the Runtime Layer

Docker for Beginners: Understanding Containerd, CRI-O, and the Runtime Layer

Discover what really happens when you run a container. This article demystifies the container runtime layer, introduces you to containerd and CRI-O, and explains how Kubernetes delegates container execution using the Container Runtime Interface (CRI).

Docker for Beginners: Understanding Docker Storage and Volumes

Docker for Beginners: Understanding Docker Storage and Volumes

A hands-on guide to understanding how Docker handles storage. Learn how to persist data across container restarts using volumes and bind mounts, when to use each, and how to manage them effectively in development and production environments.

Docker for Beginners: Docker Networking Explained

Docker for Beginners: Docker Networking Explained

Learn how Docker containers communicate using networks and port mapping. This guide covers custom networks, inter-container DNS, host access, and common troubleshooting tips to master Docker networking from the ground up.

Docker for Beginners: How Docker Works Behind the Scenes

Docker for Beginners: How Docker Works Behind the Scenes

Learn how Docker works behind the scenes. In this beginner-friendly guide, you'll install Docker, run your first containers, and build a clear mental model of how the Docker CLI, Daemon, and Registry interact — setting the foundation for container development and cloud deployment.

Docker for Beginners: From Code to Container and Cloud

Docker for Beginners: From Code to Container and Cloud

Build your first Docker image from a real Node.js app, package it with a custom Dockerfile, push it to Azure Container Registry, and deploy it to the cloud using Azure Container Instances—no prior experience required.

Docker for Beginners: A Clear, Friendly Introduction to Containers

Docker for Beginners: A Clear, Friendly Introduction to Containers

Discover how Docker simplifies development with containers. This beginner-friendly guide walks you through what Docker is, the problems it solves, and how it's used day-to-day — with real-world examples and practical insights, minus the overwhelm.

Kubernetes Networking with Cilium: eBPF-Powered Kubernetes Security and Observability

Kubernetes Networking with Cilium: eBPF-Powered Kubernetes Security and Observability

Learn how to harness the power of Cilium and eBPF to build secure, high-performance Kubernetes networking. This step-by-step guide walks you through installing Cilium in a Kind cluster, applying fine-grained network policies, and understanding how eBPF enables observability and control at the kernel level. Perfect for developers and operators ready to take their cluster networking to the next level

Securing AKS with Cilium: Layer 4 & 7 Network Policies in Action

Securing AKS with Cilium: Layer 4 & 7 Network Policies in Action

Deploy Cilium on Azure Kubernetes Service (AKS) and learn how to enforce powerful Layer 4 and Layer 7 network policies using a hands-on Star Wars-themed demo. In this guide, you'll secure microservices traffic, implement least-privilege access, and understand how Cilium's eBPF-based networking integrates with managed Kubernetes in the cloud. Perfect for cloud-native practitioners looking to master Kubernetes networking in a practical, engaging way.

Kubernetes Network Policies Explained: A Practical Guide to Kubernetes Network Policies

Kubernetes Network Policies Explained: A Practical Guide to Kubernetes Network Policies

Learn how to lock down your Kubernetes cluster with Network Policies. This hands-on guide takes you from open-by-default networking to controlled, secure pod communication. You'll explore policy components, build a real-world example with Kind and Calico, and pick up essential best practices for production-ready security.

Choosing the Right Azure Container Service: App Service, ACI, AKS, or Container Apps

Choosing the Right Azure Container Service: App Service, ACI, AKS, or Container Apps

Compare Azure's core container services — Azure App Service, ACI, AKS, and Container Apps — to choose the right fit for your workload. This guide breaks down protocol support, scaling behavior, startup time, runtime compatibility, customisation options, and cost models so you can deploy with confidence.

Kubernetes Networking Explained: Pods, CNI, and Overlay Networks Demystified

Kubernetes Networking Explained: Pods, CNI, and Overlay Networks Demystified

A deep dive into Kubernetes networking: how containers and pods communicate across nodes, how Kubernetes avoids NAT, and how CNI plugins and overlay networks enable a flat, scalable, and resilient networking model. This article breaks down complex networking mechanics into clear, architectural insights.

Build Distributed Systems with Dapr: A Hands-On Microservices Guide

Build Distributed Systems with Dapr: A Hands-On Microservices Guide

Learn how to build real microservices using Dapr's building blocks for service invocation and state management. In this hands-on guide, you'll create a distributed system with Python and JavaScript services powered by the Dapr sidecar pattern—no boilerplate, no service discovery code, just clean microservices, simplified.

Cloud Design Patterns: Mastering Publisher/Subscriber in Azure

Cloud Design Patterns: Mastering Publisher/Subscriber in Azure

This post delves into the Publisher-Subscriber Pattern: A Quick Guide to discover how this cloud design pattern works, and which Azure Services can be used to implement it!

Why Dapr? Simplifying Microservices in the Real World

Why Dapr? Simplifying Microservices in the Real World

Learn why modern microservices architectures need more than just containers and Kubernetes. This article introduces Dapr — a lightweight, cloud-native runtime that simplifies service-to-service communication, state management, and more.