docker_commands_cheat_sheet.md

0. What is Docker, image, container?

You can refer to

• https://medium.com/platformer-blog/practical-guide-on-writing-a-dockerfile-for-your-application-89376f88b3b5

1. Important commands

Check docker image list

$ docker image ls

Check docker container list

$ docker container ls

2. Docker container operation

Start a container from an image

$ docker run -ti <image> bash --login

Example, run.sh

$ docker run -v `pwd`/data:/home/student/data --user student --hostname biodocker -ti biodocker bash --login

• Note: It automatically login the container at the same time.
• Note: to logout, ctrl-D or exit. ctrl-D does not stop the container, but exit stops the container

Start a container

$ docker container start <container_ID>|<container_name>

Stop a container

$ docker container stop <container_ID>|<container_name>

Remove a container

$ docker container rm <container_ID>|<container_name>

Commit a container to a image

$ docker commit <container_ID>|<container_name> <image_name>:<tag>

Login a container

$ docker exec -it <container_ID>|<container_name> bash

3. Docker image operation

Save an image to file

$ docker save <image_name> -o <file.tar>

Example

$ docker save biodocker -o my_biodocker.tar