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      • Docker Learning Resources

      This chapter compiles quality resources for further Docker learning.

      Official Resources

      ResourceLinkDescription
      Docker Documentationdocs.docker.comMost authoritative reference
      Docker Hubhub.docker.comOfficial image registry
      Docker Blogdocker.com/blogOfficial blog
      Docker GitHubgithub.com/dockerSource code and issues
      Play with Dockerlabs.play-with-docker.comOnline 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

      ToolDescription
      Docker DesktopDesktop Docker management
      PortainerWeb-based Docker management UI
      LazydockerTerminal Docker management
      DiveAnalyze Docker image layers
      TrivyContainer security scanner
      HadolintDockerfile linter
      ctopContainer 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

      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!