Introduction to docker
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This document provides an introduction and overview of Docker. It discusses why Docker is useful for isolation, simplicity, and workflow. It also covers the Docker platform, including the Docker engine, images, containers, and networking. Key components are the Docker daemon, Docker CLI, and Docker Hub registry. Demos are provided on installing Docker and using Docker for building images, running containers with volumes, and configuring Docker networking.
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Introduction to docker
- 2. @botchagalupe • a.k.a. John Willis • 35 Years in IT Operations • Exxon, Canonical, Chef, Enstratius, Socketplane • Devopsdays Core Organizer
- 3. Agenda • Part 1 (Overview)! • Why Docker?! • Docker Platform! • Docker Solutions! • Part 2 (Docker and Devops)! • Part 3 (Demos)! • Docker Installation! • Docker (Basic Image) Workflow! • Docker (Build) Workflow! • Docker (Volumes) Workflow! • Docker Networking
- 4. Docker Blog
- 5. Why Docker? • Isolation • Lightweight • Simplicity • Workflow • Community
- 6. Killer Apps • Local Application Development and Test • CI/CD • Containers as a Service • Build your own Pass
- 7. Docker Community • 21,500+ GitHub stars • 400M+ Docker Engine downloads • 100,000+ "Dockerized" applications in the Docker Hub Registry • 180+ Docker Meetup Groups in 50 countries • 150,000 live apps are running off Docker • 930+ community contributors • 3 to 4 Million - Developers using Docker • 50,000 third-party projects on GitHub using Docker as well as partnerships spanning PaaS, operating systems, hosting services, CI platforms, and more. • Over 100 user-generated case studies available from companies such as eBay, Rackspace, New Relic, Gilt, Spotify, Cloudflare, Yandex, Cambridge Healthcare, Yelp and RelatelQ.
- 9. Docker Engine • Docker Daemon • Docker CLI
- 10. Docker Daemon • Builds Images • Runs and Manages Containers • RESTful API
- 11. Docker CLI • docker build # Build an image from a Dockerfile • docker images # List all images on a Docker host • docker run # Run an image • docker ps # List all running and stopped instances • docker stop # Stop a running instances • docker rm # Remove an instance • docker rmi # Remove an image
- 14. Docker Hub • Provides Docker Services • Library of public images • Storage for your images • free for public images • cost for private images • Automated builds(link github/bitbucket repo; trigger build on commit)
- 15. Docker Hub
- 16. Docker Solutions • Docker Compose • Docker Machine • Docker Swarm • Kitematic • Docker Networking • Docker Trusted Registry
- 17. Docker Compose
- 18. Docker Machine • Install Docker on a Host • Starting, stopping, restarting the Docker Engine • Upgrading Docker on a Host • Configuring the Docker client to talk to your host (TLS)
- 19. Docker Swarm • Discovery Services • Advanced Scheduling • API
- 21. Docker Networking “We'll do for Networking, What Docker did for Compute.”
- 22. Docker Networking • Make “network” & “service” as top-level objects ! • Provide a pluggable networking stack ! • Span networks across multiple hosts ! • Support multiple platforms
- 23. Container Network Model (CNM) • Endpoint ! • Network ! • Sandbox
- 24. Libnetwork • Open Sourced in April ! • Over 200 Pull Requests ! • Over 200 GitHub Stars ! • Windows and FreeBSD ports in progress
- 26. Part 2
- 29. Docker and Devops • Velocity • Variation • Visualization
- 30. Part 3
- 35. Demo
- 37. Docker Platform Workflow (Build Images) • Build a Local Image • Run an Image on Docker Host
- 39. Demo
- 40. Docker Build
- 41. Docker Platform Workflow (Volumes) • Using Volumes • Mounting Docker Host Volumes
- 44. Demo
- 45. Docker Volumes
- 51. Docker Networking • Weave • Flannel • Calico • Triton • Socketplane
- 53. Docker Networking • Container Network Model (or CNM) • Notion of a Default Network • Default Multi-Host Data-path for CNM • Network API • Docker Network CLI
- 54. References WHY I LOVE DOCKER… AND WHY YOU’LL LOVE IT TOO! https://blog.docker.com/2015/03/why-i-love-docker-and-why-youll-love-it-too/! ! DOCKER TUTORIAL 1 – INSTALLING DOCKER! https://blog.docker.com/2015/03/docker-tutorial-1-installing-docker/! ! DOCKER TUTORIAL 2 – DOCKER RUN COMMAND BASICS! https://blog.docker.com/2015/03/docker-tutorial-2-docker-run-command-basics/! ! DOCKER TUTORIAL 3 – FUN WITH VOLUMES! https://blog.docker.com/2015/04/docker-tutorial-3-fun-with-volumes/! ! DOCKER TUTORIAL 4 – MORE RUN WITH A COUPLE OF EXTRA GOODIES! https://blog.docker.com/2015/04/docker-tutorial-4-more-run-with-a-couple-of-extra-goodies/! ! DOCKER TUTORIAL 6 – DOCKERFILE (PART 1)! https://blog.docker.com/2015/04/docker-tutorial-6-dockerfile-part-1/! ! DOCKER TUTORIAL 7 – DOCKERFILE (PART 2)! https://blog.docker.com/2015/04/docker-tutorial-7-dockerfile-part-2/