[Docker] Docker Registry

Docker image 파일 구조

image : docker.io/nginx/nginx

• docker.io : registry
• 첫번째 nignx : 사용자 계정
• 두번째 nginx : Image repos

 

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Docker registry 생성

# Private docker registry login
docker login private-registry.io

# Run private registry
docker run private-registry.io/apps/internal-app

 

Docker registry 배포

# Private registry registration
docker run -d -p 5000:5000 --name registry registry:2

# Tag docker image to private registry (= Git's commit)
docker image tag my-image localhost:5000/my-image

# Push docker image to private registry (= Git's push)
docker push localhost:5000/my-image

# Pull docker image from private registry (= Git's pull)
docker pull localhost:5000/my-image

docker pull <private_ip_address>:5000/my-image