Docker

1. What, Why, When

2. Architecture

   1. client and server
   2. - server => docker engine

3. Container

   1. kernel namespaces
   2. C groups
   3. Container vs Virtual machine

4. Images & Container

   1. image vs container
   2. Isolated process

5. Images

   1. Image layers
   2. - base image layer
   3. - instruction layers
   4. - writable container layer
   5. Layer caching

6. docker run <ubuntu> vs docker pull <ubuntu>

7. Port mapping

8. Data persistence

9. DB Migration

10. Bind mounts.

11. run, start, rm

12. -t, -p

13. Commands

14. docker init

15. docker tag

16. docker build

    1. -t
    2. buildx

17. docker run

    1. --name
    2. -it
    3. -e
    4. -d
    5. -p
       1. port mapping
    6. --net
    7. --rm

18. docker container

    1. ls
    2. stop
    3. -t
    4. prune
    5. rm
       1. -f

19. docker logs <container>

    1. --follow/ -f

20. docker image

    1. ls
    2. history
       1. --no-trunc

21. docker network

    1. ls
    2. create <name>
       1. -d
       2. --subnet
       3. --gateway

22. Manage containers

    1. Docker container ls || docker ps
    2. Docker container ls -a || docker ps -a
    3. * Start
    4. * Stop
    5. * Restart
    6. * rm
    7. Docker system prune -a

23. Network commands

    1. Docker network ls
    2. Docker inspect bridge

24. Volume

    1. types
    2. - bind mounts.
    3. - volume mounts/ named volumes
    4. bind vs named mounts
    5. scratch space
    6. Volume claim
    7. docker volume
       1. create
       2. inspect
    8. docker rm -f

25. dockerignore

26. Docker hub

    1. docker
       1. pull
       2. push
       3. rmi

27. Docker compose

    1. docker compose
       1. up
       2. down
       3. watch
       4. ps
    2. services
       1. image
       2. ports
       3. environment
       4. restart
          1. always
          2. on-failure
          3. unless-stopped
       5. depends_on
       6. resources
          1. limits
          2. reservations
       7. volume mapping
          1. read only, write only
    3. networks
    4. secrets
    5. volumes
       1. driver

28. Dockerfile

    1. FROM
    2. COPY
    3. WORKDIR
    4. RUN
    5. CMD
    6. EXPOSE
    7. ENTRYPOINT
    8. ENV
    9. ARG
    10. USER
    11. LABEL
    12. RUN VS CMD

29. Docker network

    1. Bridge
    2. Host
    3. None
    4. overlay
    5. macvlan
    6. IPvlan

30. Docker daemon