Docker
in Getting Started on Docker
Docker
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 commands
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] <container>
stop
$ docker stop <container>
exec
$ docker exec -it <container> bash
attach
$ docker attach <container>
ps
$ docker ps -a
rm
$ docker rm $(docker ps -aq)
rmi
$ docker rmi -f $(docker images -q)
$ docker rmi $(docker images | grep "^<none>" | awk "{print $3}")
$ docker rmi `docker images -f dangling=true -q`
logs
$ docker logs <container>
inspect
$ docker inspect <container>
top
$ docker top <container>
Docker storage
volumes
docker volume
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
