Docker Essential Training

Introduction

• Diving deeper into Docker
• What you should know

1. Docker Explained

• Docker recap
• Container runtimes
• OCI and CRI runtimes
• The Docker Engine
• Where are Docker's configuration files?

2. Installing Docker: The Hard Way

• When Docker Desktop doesn't cut it
• Installing Lima
• Configuring Lima
• Starting the Lima VM
• Installing Windows Subsystem for Linux (WSL)
• Installing Docker within WSL
• Visualizing your containers with Portainer

3. Docker Images Demystified

• What are Docker images?
• Diving deeper into Docker images: Part 1
• Diving deeper into Docker images: Part 2
• Storage drivers
• Decomposing Docker pull
• Configure Docker to enable debug logging

4. Exploring Dockerfiles

• Introduction to Dockerfiles
• The anatomy of a Dockerfile
• Sourcing other Docker images with FROM
• Building your first image
• Adding and copying files with COPY and ADD
• Updating the image
• Customizing your Docker image with RUN
• Starting your app with ENTRYPOINT
• "Starting" your app with CMD
• Adding variables with ENV and ARG
• Other helpful Dockerfile commands
• Multi-stage builds
• Multi-platform images
• Multi-app images
• Challenge: Build and run your first image
• Solution: Build and run your first image

5. Advanced Docker Operations

• Extending container privileges with capabilities
• Setting container limits: Part 1
• Setting container limits: Part 2
• Configuring logging with logging drivers: Part 1
• Configuring logging with logging drivers: Part 2
• Configuring the Docker daemon

6. Docker in Docker

• The case for Docker in Docker
• Creating the container to run containers
• Installing Docker in the container of containers
• Limitations of Docker through Docker

7. Networking

• Introduction to container networking
• Creating Docker networks with bridge-mode networking
• Exposing container ports between containers
• Sharing a host's network with host mode networking
• Disabling networking with the none driver
• Advanced network drivers and network plugins

8. Storing Data

• Introduction to container storage
• How volumes work
• Creating Docker volumes
• Creating bind mounts
• Copying data from volumes
• Bind mount caveats with Docker Desktop

9. The Docker Registry

• Introduction to Docker registries
• Creating a simple registry
• Pushing multi-platform manifest lists
• Creating and logging into authenticated registries
• Popular alternative container image registries

10. Additional Docker Resources

• Docker best practices
• Taking it to the next level with Docker Compose
• Level up even more with Kubernetes

Conclusion

• Thank you