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Docker and Containers Basics

Build, ship, and run any app anywhere — master the container technology that powers modern cloud and DevOps.

Beginner1 hours10 lessons
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What You'll Learn

  • ✓Understand what containers are and how they differ from virtual machines
  • ✓Install Docker and run your first container
  • ✓Pull and push images from Docker Hub and other registries
  • ✓Write Dockerfiles to build custom images for your applications
  • ✓Manage container networking, ports, and inter-container communication
  • ✓Persist data with volumes and bind mounts
  • ✓Orchestrate multi-container applications with Docker Compose
  • ✓Apply image best practices: small layers, multi-stage builds, security scanning
  • ✓Use containers in CI/CD pipelines and prepare images for Kubernetes
  • ✓Troubleshoot common container issues with logs, exec, and inspect

Prerequisites

  • •Basic command-line familiarity
  • •Understanding of basic networking concepts (ports, IP addresses)

Course Curriculum

Module 1: Container Fundamentals

  1. 01What Are Containers and Why Do They Matter?6 min
  2. 02Docker Architecture and Installation5 min

Module 2: Working with Images and Containers

  1. 01Images, Layers, and Registries6 min
  2. 02Running and Managing Containers6 min

Module 3: Building Your Own Images

  1. 01Writing Effective Dockerfiles7 min
  2. 02Multi-Stage Builds and Image Optimization6 min

Module 4: Networking and Storage

  1. 01Container Networking6 min
  2. 02Volumes and Persistent Data5 min

Module 5: Orchestration and Production

  1. 01Multi-Container Apps with Docker Compose6 min
  2. 02Containers in Production: Security, CI/CD, and Beyond6 min

Practice for the Real Exam

After completing this course, test yourself with exam-style practice questions.

Practice KCNA QuestionsPractice DOP C02 QuestionsPractice AWS CLF C02 QuestionsPractice AZ 900 Questions