Docker Build

Build Docker Image & run, start, stop and exit container

• by using shell command

  $ bash docker/build.sh
  

• or by using dockerfile directly

  $ docker build Dockerfile
  

• After built, run docker.(tagged_name: Image name)

  $ docker run tagged_name
  

• start container

  $ docker container start container_id
  

• access to bash shell

  $ docker exec -it container_id bash
  

• stop docker container

  $ docker stop container_id
  

• exit docker container in interactive responsive shell

  ctrl + d
  

• stop all running containers

  $ docker stop $(docker ps -a -q)
  

• Show docker disk usage

  $ docker system df
  

Keep running Docker container

• add ENTRYPOINT in Dockerfile as last line.

  ENTRYPOINT ["tail", "-f", "/dev/null"]
  

ref: https://devopscube.com/keep-docker-container-running/

Docker ENTRYPOINT Instruction

ENTRYPOINT ["tail", "-f", "/dev/null"] 로 해야 keep running.

tail : 맨뒤에 다섯줄 보여줌
-f : 피드를 계속 읽어줌
/dev/null: null 을 계속 읽어줌

For the future work.

Never write latest on the file name in any enviroment related files.

Write very specific version on every files in use for compatibility.