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Docker - Beginner course

When designing a Docker course for beginners, it's essential to introduce concepts gradually and provide hands-on exercises to reinforce learning. Here's a suggested layout for a Docker beginner course:

Module 1: Introduction to Containerization

  1. Understanding Containerization
  2. Definition and benefits

  3. Use cases for containerization

  4. Comparison with Virtualization

  5. Differences between containers and virtual machines
  6. Advantages of containers

Module 2: Getting Started with Docker

  1. Introduction to Docker
  2. What is Docker?

  3. Brief history and purpose

  4. Installing Docker

  5. Different installation methods (Windows, macOS, Linux)
  6. Verifying the installation

Module 3: Docker Basics

  1. Docker Images and Containers
  2. What are Docker images?

  3. Running containers from images

  4. Basic Docker Commands

  5. docker run, docker ps, docker exec, etc.

  6. Managing containers with basic commands

  7. Docker Hub

  8. Introduction to Docker Hub
  9. Pulling images from Docker Hub

Module 4: Container Lifecycle

  1. Starting and Stopping Containers
  2. Understanding container lifecycle

  3. Starting, stopping, and restarting containers

  4. Removing Containers

  5. Deleting stopped containers
  6. Managing container resources

Module 5: Networking in Docker

  1. Container Networking Basics

    • Exposing ports
    • Linking containers

  2. Docker Networks

    • Overview of Docker network types
    • Creating and managing custom networks

Module 6: Persistent Data with Volumes

  1. Volume Mounting
    • Persisting data with volumes
    • Sharing data between host and container

Module 7: Introduction to Dockerfile

  1. Creating Docker Images with Dockerfile

    • Basics of Dockerfile syntax
    • Building images with Dockerfile

  2. Dockerfile Best Practices

    • Efficient layering
    • Reducing image size

Module 8: Docker Compose Basics

  1. Introduction to Docker Compose

    • Defining multi-container applications
    • Compose file structure

  2. Orchestrating Multi-Container Applications

    • Defining services
    • Networking with Compose

Module 9: Docker Registry

  1. Docker Registry Basics
    • Pushing and pulling images from Docker Hub
    • Overview of private registries

Module 10: Basic Troubleshooting

  1. Debugging Docker Containers

    • Inspecting container logs
    • Troubleshooting common issues

  2. Cleaning Up Resources

    • Removing unused containers, images, and volumes
    • Optimizing disk space

Module 11: Practical Exercises and Projects

  1. Hands-On Exercises
    • Guided exercises to practice commands and workflows
    • Mini-projects to apply learned concepts

Module 12: Next Steps and Resources

  1. Further Learning Paths
    • Recommendations for additional learning
    • Resources for ongoing development

This layout provides a structured progression for beginners, starting with the basics and gradually moving towards more advanced topics. Including practical exercises and projects throughout the course helps solidify understanding and build confidence in using Docker.