Hunting Moby Dick: An introduction to Docker at LIPN

Transcript

1. Hunting Moby Dick: An Introduction to Docker Jaime Arias 2019

2. Introduction Why Docker ? 1 2

3. Why Docker ◎ “Dockerized” apps are completely portable and can

   run anywhere. ◎ Developers can automate their build pipeline and share artifacts with Docker Hub. ◎ “Dockerized” apps are isolated from their surroundings. “W ” - ” “I f USB ” - ” “T f O 4. I 4. ” - ” 3

4. Why Docker 4

5. Installation https://docs.docker.com/install/ 2 5

6. Download & Installation N 6 :// . / - -

   :// . / -

7. OSX Installation 7

8. OSX Installation 8

9. OSX Configuration 9

10. Ubuntu Installation Link: https://tinyurl.com/docker-ubuntu 1. Update the apt package index

    2. Install packages to allow apt to use a repository over HTTPS 10

11. Ubuntu Installation Link: https://tinyurl.com/docker-ubuntu 3. Add Docker’s official GPG key:

    4. Use the following command to set up the stable repository. 11

12. Ubuntu Installation Link: https://tinyurl.com/docker-ubuntu 1. Update the apt package index

    2. Install the latest version of Docker CE 3. Add your user to the docker group 12

13. Testing Installation 13

14. Resources 14 1. awesome-docker: https://github.com/veggiemonk/awesome-docker 2. GUIs: ◉ Kitematic: https://github.com/docker/kitematic

    ◉ Portainer: http://portainer.io ◉ DockStation: https://dockstation.io ◉ Dockly: https://github.com/lirantal/dockly

15. Basic Commands https://tinyurl.com/docker-commands 3 15

16. Basic Commands docker COMMAND --help Print COMMAND usage. docker pull

    NAME[:TAG] Pull an image or a repository from Docker Hub to the machine. docker images Show all top level images, their repository and tags, and their size. docker rmi IMAGE Remove one or more images. 16

17. Basic Example 17 :// . . /

18. Basic Example 18

19. Basic Commands 19

20. Basic Commands docker run --rm [OPTIONS] IMAGE [COMMAND] [ARGS] Run

    a COMMAND with specific ARGS in a new container. OPTIONS ◎ --detach, -d Run container in background and print container ID ◎ --env, -e Set environment variables ◎ --interactive, -i Keep STDIN open ◎ --name Assign a name to the container ◎ --publish, -p Publish a container’s port(s) to the host ◎ --rm Automatically remove the container when it exits ◎ --tty, -t Allocate a pseudo-TTY ◎ --volume, -v Bind mount a volume 20

21. Basic Example 21

22. Basic Example 22

23. Basic Example 23 :// . . / /f /

24. Basic Example 24 git clone https://depot.lipn.univ-paris13.fr/lipn-tutorials/docker.git ${HOME}/php_files

25. Basic Commands docker exec CONTAINER Run a command in a

    running container. docker ps -a List the running containers. docker stop CONTAINER Stop one or more running containers. docker rm -f CONTAINER Remove one or more containers 25

26. Basic Example 26

27. Create a Docker Image https://tinyurl.com/dockerfile-ref 4 27

28. Dockerfile 28

29. Build & Publish Build 1. Create a Dockerfile (recipe) 2.

    Build an image from the Dockerfile in the current directory and tag it Publish 1. Retag a local image for a private registry 2. Log in to a registry (https://hub.docker.com) 3. Push an image to the registry (upload) 29

30. Basic Commands docker build -t NAME[:TAG] PATH Build an image

    from a Dockerfile. docker login [SERVER] Log in to a Docker registry docker push NAME[:TAG] Push an image or a repository to a registry docker tag SOURCE TARGET Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE 30

31. Basic Example 31

32. Thank you! Any questions? 32 :// . / / -

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33. Credits Special thanks to all the people who made and

    released these awesome resources for free: ◎ Presentation template by SlidesCarnival ◎ Photographs by Unsplash 33