Docker Learning Resources

This chapter compiles quality resources for further Docker learning.

Official Resources

Resource	Link	Description
Docker Documentation	docs.docker.com	Most authoritative reference
Docker Hub	hub.docker.com	Official image registry
Docker Blog	docker.com/blog	Official blog
Docker GitHub	github.com/docker	Source code and issues
Play with Docker	labs.play-with-docker.com	Online Docker playground

Learning Path

Beginner (1-2 weeks)

1. Understand containers vs virtual machines
2. Install Docker and run your first container
3. Learn basic commands: run, ps, logs, exec, stop, rm
4. Understand images, containers, and repositories
5. Learn basic Dockerfile syntax

Intermediate (2-4 weeks)

1. Master Dockerfile best practices and multi-stage builds
2. Learn Docker Compose for multi-container apps
3. Understand Docker networking and data management
4. Practice containerizing common applications
5. Learn image optimization and security practices

Advanced (1-2 months)

1. Learn Docker Swarm or Kubernetes cluster management
2. Practice CI/CD pipeline Docker integration
3. Deep dive into container runtime and underlying technologies
4. Learn container monitoring and log management
5. Practice microservices containerization

Useful Tools

Tool	Description
Docker Desktop	Desktop Docker management
Portainer	Web-based Docker management UI
Lazydocker	Terminal Docker management
Dive	Analyze Docker image layers
Trivy	Container security scanner
Hadolint	Dockerfile linter
ctop	Container resource monitor

Install Common Tools

# Lazydocker
docker run --rm -it -v /var/run/docker.sock:/var/run/docker.sock lazyteam/lazydocker

# Portainer
docker run -d -p 9000:9000 --name portainer \
  -v /var/run/docker.sock:/var/run/docker.sock \
  portainer/portainer-ce

# Dive
docker run --rm -it -v /var/run/docker.sock:/var/run/docker.sock wagoodman/dive myimage:latest

# Hadolint
docker run --rm -i hadolint/hadolint < Dockerfile

Community Resources

• Docker Community Forums
• Stack Overflow - Docker
• Reddit - r/docker
• CNCF Cloud Native Community

Quick Reference

Container Commands

docker run -d -p 80:80 --name web nginx
docker ps / docker ps -a
docker stop/start/restart web
docker rm web
docker logs web
docker exec -it web /bin/bash
docker stats

Image Commands

docker images
docker pull nginx:latest
docker build -t myapp:v1 .
docker tag myapp:v1 registry/myapp:v1
docker push registry/myapp:v1
docker rmi myapp:v1

System Commands

docker system df
docker system prune -a
docker info
docker version

Chapter Summary

Docker learning is a progressive journey. Start with basic commands, advance to image building and orchestration, and eventually master cluster management. Combine official documentation with hands-on practice for the best results.

Happy Dockering!