Docker & Kubernetes Learning Guide

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Docker & Kubernetes Learning Guide

Introduction

This folder contains learning materials for Docker and Kubernetes. Learn step-by-step from basic container concepts to orchestration.

Target Audience: Developers, DevOps beginners

Learning Roadmap

[Docker Basics]           [Docker Advanced]        [Orchestration]
     │                          │                       │
     ▼                          ▼                       ▼
Docker Basics ──────▶ Dockerfile ──────▶ Kubernetes Intro
     │                   │
     ▼                   ▼
Images/Containers ──▶ Docker Compose
                         │
                         ▼
                    Practical Examples

Prerequisites

  • Basic Linux commands
  • Terminal/shell usage experience
  • Basic understanding of web applications (recommended)

File List

File Difficulty Main Topics
01_Docker_Basics.md ⭐ Docker concepts, installation, basic commands
02_Images_and_Containers.md ⭐ Image management, container execution/management
03_Dockerfile.md ⭐⭐ Dockerfile creation, image building
04_Docker_Compose.md ⭐⭐ Multi-container, docker-compose.yml
05_Practical_Examples.md ⭐⭐⭐ Web app containerization, DB integration
06_Kubernetes_Intro.md ⭐⭐⭐ K8s concepts, Pod, Deployment, Service
07_Kubernetes_Security.md ⭐⭐⭐⭐ RBAC, NetworkPolicy, Secrets, PodSecurity
08_Kubernetes_Advanced.md ⭐⭐⭐⭐ Ingress, StatefulSet, DaemonSet, PV/PVC
09_Helm_Package_Management.md ⭐⭐⭐ Helm charts, values.yaml, release management
10_CI_CD_Pipelines.md ⭐⭐⭐⭐ GitHub Actions, image building, K8s deployment
11_Container_Networking.md ⭐⭐⭐ Bridge, host, overlay, macvlan, DNS, port mapping
12_Security_Best_Practices.md ⭐⭐⭐⭐ Image scanning, rootless, seccomp, secrets, Falco

Step 1: Docker Basics

  1. Docker Basics → Images and Containers

Step 2: Docker Application

  1. Dockerfile → Docker Compose → Practical Examples

Step 3: Orchestration

  1. Kubernetes Intro → Kubernetes Security → Kubernetes Advanced

Step 4: Deployment Automation

  1. Helm Package Management → CI/CD Pipelines

Practice Environment

Docker Installation

# macOS
brew install --cask docker

# Ubuntu
sudo apt-get install docker.io

# Verify installation
docker --version

Practice Examples

# Hello World
docker run hello-world

# Nginx web server
docker run -d -p 8080:80 nginx
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