docker commands in mac for beginner

Install in mac by home brew

> brew install docker
#Install docker

> brew install boot2docker
#Install boot2docker for virtualed docker engine

If your brew have not cask that is extended module
else skip this command.

> brew install caskroom/cask/brew-cask
#Install cask for installing virtual box

> brew cask install virtualbox
#Install virtualbox

Create docker image

> boot2docker init
#For creating virtualed docker engine

Start docker

> boot2docker up
#You have to use boot2docker command for starting docker

> export DOCKER_HOST=tcp://192.168.59.103:2375
#You have to register docker host by environment variable, just input command
#It makes docker-client accessible docker-daemon

> boot2docker ssh
#Access docker by ssh

Commands in docker

> docker version

> docker images
#Check images like ls in terminal

> docker container ls
#Check containers

Pull image in docker

> docker pull [OS name]:[version]
#Download image from docker.io repository
#Example is > docker pull centos:6.4

Run image to container in docker

> docker run [OPTIONS] IMAGE [COMMAND] [ARG...]
#Run container.
#Example is docker run -ti --privileged -p 8090:8080
-a , --attach : attach stdin, stdout, stderr (STDIN, STDOUT, STDERR)
--cidfile: output container id by file
-d, --detach: run back ground
-i, --interactive: open container standard input (show situation in container)
-t, --tty: use tty
--name: naming of container
--privileged: connect by privileged mode
-p: forward request to virturalbox port to container inner port

Remove container/image in docker

> docker rm  [container-id]
#Remove container

> docker rmi  [image-id]
#Remove image

> docker restart  [container-id]
#Restart container

> docker attach  [container-id]
#Attach container

Commit in docker

> docker commit [container_id] [OS name]:[tag]
#Commit in docker
#It saves current container by image

Exit docker

> exit
#Exit docker

Stop boot2docker

> boot2docker stop
#Stop boot2docker