Docker Install

install

$ sudo yum install docker

start

$ sudo service docker start

루트가 아닌 계정에 권한 부여하기

$ sudo groupadd docker
$ sudo gpasswd -a $(whoami) docker
$ sudo service docker restart

note: You will need to logout and log back in, in order to have the group update take effect.

Docker 명령어

search

$ docker search python

less

pull+-

$ docker pull python:2.7

run

$ docker run -i -t -d ubuntu echo Hello World!

• -d, –detach : 컨테이너를 백그라운드에서 실행
• -i, –interactive : 컨테이너가 실행된 이후에도 컨테이너와 연결된 표준 입력을 유지
• -t, –tty : 가상 터미널을 활성화하며 컨테이너의 터미널로 직접 연결할 때 사용
• -rm : 멈춰지면 삭제되는 일시적인 컨테이너를 생성한다.

start

$ docker start [-i] [-a]

stop

$ docker stop

exec

$ docker exec -it bash

attach

$ docker attach

ps

$ docker ps -a

rm

$ docker rm $(docker ps -aq)

rmi

$ docker rmi -f $(docker images -q) $ docker rmi $(docker images | grep “^" | awk "{print $3}") $ docker rmi `docker images -f dangling=true -q`

logs

$ docker logs

inspect

$ docker inspect

top

$ docker top

Build

Dockerfile : Docker Domain Specific Language

FROM ubuntu:14.04
MAINTAINER kyun
RUN apt-get -y install telnet
CMD ["/usr/bin/telnet", "localhost"]

$ docker build -t starwars .

Docker Compose

Install

$ curl -L https://github.com/docker/compose/releases/download/1.6.2/docker-compose-uname -s-uname -m > /usr/local/bin/docker-compose

$ chmod +x /usr/local/bin/docker-compose

docker-compose.yml

version: '2'
services:
  tomcat:
    build: tomcatDockerfile
    ports:
     - "8080:8080"
  nexus:
    build: nexusDockerfile
    ports:
     - "8081:8081"
  sonar:
    build: sonarDockerfile
    ports:
     - "9000:9000"
  jenkins:
    build: jenkinsDockerfile
    ports:
     - "5000:5000"
    links:
     - tomcat
     - nexus
     - sonar