Docker setup memo

Prepara

1. Git install

2. VirtualBox install

• https://www.virtualbox.org/wiki/Downloads

3. Vagrant install

• http://www.vagrantup.com/downloads.html

4. ssh client install (Windows only)

• Gitbash or Cmder or or Putty or TeraTerm ...

Docker setup

1. CoreOS setup (Docker Host)

$ git clone https://github.com/coreos/coreos-vagrant/ coreos-vagrant

$ cd coreos-vagrant

$ vagrant up

2. CoreOS connect

Mac

$ ssh -i ~/.vagrant.d/insecure_private_key core@127.0.0.1 -p 2222

Windows

$ ssh -i %HOMEPATH%\.vagrant.d\insecure_private_key core@127.0.0.1 -p 2222

• Casy by putty

# CoreOSには最初からDockerがインストールされている。
$ docker -v
Docker version 1.3.2, build 50b8feb

3. Get dockerfile

• docker hub

# centos
$ docker pull centos
# ubuntu
$ docker pull ubuntu

# dockerfileの確認
$ docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             VIRTUAL SIZE
ubuntu              latest              86ce37374f40        10 hours ago        192.7 MB
centos              latest              ae0c2d0bdc10        3 weeks ago         224 MB

4. Hello world

$ docker run centos /bin/echo hello world1
hello world1

$ docker run centos /bin/echo hello world2
hello world2

$ docker run centos /bin/echo hello world3
hello world3

5. Check container

$ docker ps -a

CONTAINER ID        IMAGE               COMMAND                CREATED             STATUS
          PORTS               NAMES
7586fb682239        centos:latest       "/bin/echo hello wor   24 seconds ago      Exited (0) 24 seconds ago                       high_mcclintock
f242a610ae65        centos:latest       "/bin/echo hello wor   28 seconds ago      Exited (0) 27 seconds ago                       mad_thompson
7775535004ae        centos:latest       "/bin/echo hello wor   41 seconds ago      Exited (0) 40 seconds ago                       compassionate_turing

6. Remove container

$ docker rm `docker ps -a -q`

7. Login container

$ docker run -i -t centos /bin/bash

8. Commit container

$ docker commit <id>