Docker 설치 및 기본 명령어(commands)

Install Docker (in Linux)

# download & install 
curl -s https://get.docker.com/ | sudo sh

# user권한 추가 
sudo usermod -aG docker [username]

# docker service start
sudo service docker start

Install Docker-Compose (in Linux)

sudo curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose

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

docker-compose --version

Commands

docker service 시작

sudo service docker start

동작중인 컨테이너 확인

docker ps

정지된 컨테이너 확인

docker ps -a

컨테이너 삭제

docker rm [container id]

복수의 컨테이너 삭제

docker rm [container id], [container id], ...

도커 이미지 확인

docker images

이미지 삭제

docker rmi [image id]

이미지 강제 삭제

docker rmi -f [image id]

모든 도커 컨테이너 중지&삭제

docker stop $(docker ps -aq)

docker rm $(docker ps -aq)

모든 도커 이미지 삭제

docker rmi $(docker images -q)

컨테이너 cli

docker exec -it [container id] /bin/sh

Docker build

• docker build -t [이름공간]/[이미지 이름]:[태그]

# example
docker build -t flask-api/text-generater:v1 .

Docker run

• docker run -d -p [포트번호]:[포트번호][이미지]

# example
docker run -d -p 8095:8095 flask-api/text-generater:v1

Docker hub에 image push / pull

1. docker hub에 올릴 image 생성

• docker tag [local-image]:[tagname][username]/[new-repo]:[tagname]

# example
docker tag ghost:latest jaehyeong/ghost_blog:test

2. image push

• docker push [username]/[new-repo]:[tagname]

# example
docker push jaehyeong/ghost_blog:test

3. image pull

• docker pull [username]/[new-repo]:[tagname]

# example
docker pull jaehyeong/ghost_blog:test