# Command used outside container
# image
docker images
docker search ubuntu
docker pull ubuntu:15.10
docker pull training/webapp
docker rmi hello-world
docker tag 860c279d2fec runoob/centos:dev
docker commit -m="has update" -a="runoob" e218edb10161 runoob/ubuntu:v2 # ?
# container
docker run -t -i ubuntu:15.10 /bin/bash # run create new container, ubuntu is a 'image name'
docker run -itd --name ubuntu-test ubuntu:15.10 /bin/bash # '-d' means running in background
docker run -d -P training/webapp python app.py # random port of host -> port of container
docker run -d -p 5000:5000 training/webapp python app.py # 5000 -> 5000
docker start b750bbbcfd88 # b750bbbcfd88 is a 'container id'
docker stop b750bbbcfd88
docker restart b750bbbcfd88
docker exec -it b750bbbcfd88 /bin/bash # enter container that running in background
docker rm -f b750bbbcfd88
docker container prune # clean all that exited

docker ps -a
docker port b750bbbcfd88
docker port ubuntu-test
docker logs -f bf08b7f2cd89 # Running on http://0.0.0.0:5000/ (Press CTRL+C to quit)
docker top ubuntu-test # PID, ...
docker inspect ubuntu-test # detaied config and state

sudo gpasswd -a $USER docker
newgrp docker
reboot

docker build -t runoob/centos:6.7 /Documents