centos 7 docker 설치

docker 설치 ( centos 7)

site : https://docs.docker.com/engine/installation/linux/docker-ce/centos/#install-docker-ce

#필요 패키지 설치

sudo yum install -y yum-utils device-mapper-persistent-data lvm2

#docker 리파지토리 추가

    sudo yum-config-manager \

    --add-repo \

    https://download.docker.com/linux/centos/docker-ce.repo

#docker 설치

sudo yum install docker-ce

#docker 실행

sudo systemctl start docker

#docker root 이외의 계정으로 실행 ( 그룹 생성 && $USER 계정 docker 그룹 추가)

#site : https://docs.docker.com/engine/installation/linux/linux-postinstall/#manage-docker-as-a-non-root-user

sudo groupadd docker

sudo usermod -aG docker $USER

#docker 서버 부팅시 자동 구동 설정 추가

sudo systemctl enable docker

#docker-compose 설치 

# site : https://docs.docker.com/compose/install/#install-compose

sudo curl -L https://github.com/docker/compose/releases/download/1.18.0/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose

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

#docker 이미지 경로 변경

#/usr/apps/docker-lib 으로 변경

sudo systemctl stop docker

mv /var/lib/docker /usr/apps/docker-lib

cd /var/lib

ln -s /usr/apps/docker-lib /docker

sudo systemctl start docker