이미지(Image) 다운로드

1. 최신 버전(latest) 이미지 다운로드
# docker pull 이미지명 : 최신 버전 이미지 다운로드 (= docker pull 이미지명:latest)

 

$ docker pull nginx # docker pull nginx:latest 와 동일하게 작동

- Windows PowerShell

PS C:\Users\admin> docker pull nginx
Using default tag: latest
latest: Pulling from library/nginx
Digest: sha256:6e23479198b998e5e25921dff8455837c7636a67111a04a635cf1bb363d199dc
Status: Image is up to date for nginx:latest
docker.io/library/nginx:latest

What's next:
    View a summary of image vulnerabilities and recommendations → docker scout quickview nginx
PS C:\Users\admin> docker image ls
                                                                                                    i Info →   U  In Use
IMAGE          ID             DISK USAGE   CONTENT SIZE   EXTRA
nginx:latest   6e23479198b9        240MB         65.8MB    U

이미 다운로드 받아서 Image is up to date for nginx:latest 라고 뜬다. 최초로 다운로드 받으면 다음과 같이 뜬다.

 

docker pull 이미지명

이미지 다운로드시, Docker Hub 에서 이미지를 다운 받는다.

Github 에 저장된 다양한 코드들을 clone 또는 pull 받을 수 있듯이, Docker Hub 에 저장된 다양한 이미지들을 pull 받아 사용할 수 있다.

# Docker Hub : 이미지를 저장 및 다운로드 받을 수 있는 저장소


2. 특정 버전 이미지 다운로드
이미지를 버전 별로 다른 종류의 이미지로 관리된다.

# docker pull 이미지명:태그명 : 특정 버전 이미지 다운로드
태그명 : 이미지의 특정 버전을 나타내는 이름, Docker Hub 에서 확인 가능

 

$ docker pull nginx:stable-trixie-perl

- Windows PowerShell

PS C:\Users\admin> docker pull nginx:stable-trixie-perl
stable-trixie-perl: Pulling from library/nginx
0058cdb54462: Pull complete
5ad4efafba6e: Pull complete
42c953b611b2: Pull complete
78d316008fc4: Pull complete
014d5fda7cb5: Pull complete
c3da204f0f0a: Pull complete
83ce217cf544: Pull complete
dfcea770f69b: Download complete
857b2943b698: Download complete
Digest: sha256:d771d6ea8596b2fdf471c3e73e9364a26fdd9e74963fc13f62488542bd58c027
Status: Downloaded newer image for nginx:stable-trixie-perl
docker.io/library/nginx:stable-trixie-perl

What's next:
    View a summary of image vulnerabilities and recommendations → docker scout quickview nginx:stable-trixie-perl
PS C:\Users\admin> docker image ls
                                                                                                    i Info →   U  In Use
IMAGE                      ID             DISK USAGE   CONTENT SIZE   EXTRA
nginx:latest               6e23479198b9        240MB         65.8MB    U
nginx:stable-trixie-perl   d771d6ea8596        310MB         79.4MB

 

Docker Hub - nginx Tags

Docker Hub - nginx Tags : https://hub.docker.com/_/nginx/tags

nginx Tags | Docker Hub

참고링크 : https://www.inflearn.com/course/%EB%B9%84%EC%A0%84%EA%B3%B5%EC%9E%90-docker-%EC%9E%85%EB%AC%B8-%EC%8B%A4%EC%A0%84?cid=334085

비전공자도 이해할 수 있는 Docker 입문/실전| JSCODE 박재성 - 인프런 강의