Jenkins Shared Library — Complete Guide for AWS & DevOps Engineers
A comprehensive, real-world reference for building, structuring, and consuming Jenkins Shared Libraries in enterprise CI/CD pipelines — …
Apr 17, 2026
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Docker
16 articles
Jenkins Complete Reference Guide for AWS & DevOps Engineers
All topics include Script Console (Groovy) and CLI (jenkins-cli.jar) usage. Table of Contents # Topic Category 01 Installation & Setup …
Apr 17, 2026
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How to Install and Configure Docker on Ubuntu 24.04
Overview Docker is an open-source containerization platform that lets you package applications and their dependencies into lightweight, …
Apr 8, 2026
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Docker Scenario Interview Questions and Answers
Q1 Your team has a new developer who needs to run a Node.js app without installing Node.js locally. How would you help them using Docker? …
Apr 7, 2026
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04-Docker Compose - Multi-Container Apps
What is Docker Compose? Real applications are rarely a single container. A typical web app needs: An API server (Node.js / Python / Go) A …
Jan 18, 2026
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03-Writing Your First Dockerfile
What is a Dockerfile? A Dockerfile is a plain text file with a series of instructions that Docker reads top-to-bottom to build an image. …
Jan 17, 2026
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02-Docker Images & Containers
Understanding Docker Images A Docker image is a read-only template made up of layers. Each instruction in a Dockerfile adds a new layer on …
Jan 16, 2026
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Docker
What You’ll Learn This course takes you from Docker zero to production hero. Whether you’re a developer wanting to containerize …
Jan 15, 2026
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03-When TO Use Kubernetes
Kubernetes shines in specific contexts. Use it when: ✅ 1. You Have Multiple Microservices (5+) Once you cross ~5 independently deployable …
Jan 15, 2026
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02-Kubernetes in the Real World - How Companies Actually Use It
🌍 Who Uses Kubernetes? Kubernetes is not a startup toy — it powers some of the most critical infrastructure on the planet. Company Scale Use …
Jan 15, 2026
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Course Introduction
What You’ll Learn This course takes you from Docker zero to production hero. Whether you’re a developer wanting to containerize …
Jan 15, 2026
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01-Why kubernetes Important
🕰️ The World Before Kubernetes Era 1 - The Bare Metal Age (Pre-2000s) Applications ran directly on physical servers. One app, one server (or …
Jan 15, 2026
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01-What is Docker?
The Problem Docker Solves You’ve probably heard the classic developer complaint: “It works on my machine!” — but breaks in …
Jan 15, 2026
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01-Kubernetes Architecture Deep Dive
What is Kubernetes? Kubernetes (K8s) is an open-source container orchestration platform that automates the deployment, scaling, and …
Jan 15, 2026
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Docker Interview Questions & Answers(2026) Part 02
Q1 What is Docker and why is it used? Basic Ans: Docker is a platform for building, shipping, and running applications inside containers — …
Apr 26, 2025
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Docker Complete Guide: Containers from Zero to Production
What is Docker? Docker packages your application and all its dependencies into a container — a lightweight, isolated, portable unit that …
Feb 1, 2024
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