docker

basic commands

docker info 
docker pull 
docker images 
docker rmi 
docker rm 
docker history 
docker run 
docker build 
# for running container,docker ps 
docker commit container_hash tag:version
docker ps 
docker exec -it container_hash /bin/bash 
docker save -o archive.tar docker_img_hash 
docker load -i archive.tar 
docker run -it -v local_dir:docker_dir docker_img_hash /bin/bash

docker hub https://hub.docker.com/

• ENV DEBIAN_FRONTEND noninteractive
• ARG BASE_PATH=/opt/data1/dw_dm
• RUN
• install package in docker env: apt-get update first!!!

FROM ubuntu
RUN apt-get update && apt-get install vim git tree gcc -y

FROM gcc 
RUN apt-get update && apt-get install vim git tree   -y