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1. 基础环境
操作系统:CentOS/Redhat 7 x86-64
Docker:1.12.6
2. 搭建步骤(服务器端)
2.1 下载 Registry 镜像
# docker pull registry:2.5
# mkdir -p /opt/registry-var/auth/
# docker run --entrypoint htpasswd registry:2.5 -Bbn abc abc123 >> /opt/registry-var/auth/htpasswd
2.3 设置配置文件,启用删除镜像功能(也可以不启用,看业务需要,修改 storage - delete - enable 为 false 即可)
# mkdir -p /opt/registry-var/config
# vim /opt/registry-var/config/config.yml
version: 0.1
log:
fields:
service: registry
storage:
delete:
enabled: true
cache:
blobdescriptor: inmemory
filesystem:
rootdirectory: /var/lib/registry
http:
addr: :5000
headers:
X-Content-Type-Options: [nosniff]
health:
storagedriver:
enabled: true
interval: 10s
threshold: 3
2.4 启动服务(这里将镜像路径映射到宿主机的 /opt/registry-var/ 文件夹下,可以根据需要修改)
# docker run -d -p 5000:5000 --restart=always --name=registry\
-v /opt/registry-var/config/:/etc/docker/registry/ \
-v /opt/registry-var/auth/:/auth/ \
-e "REGISTRY_AUTH=htpasswd" \
-e "REGISTRY_AUTH_HTPASSWD_REALM=Registry Realm" \
-e REGISTRY_AUTH_HTPASSWD_PATH=/auth/htpasswd \
-v /opt/registry-var/:/var/lib/registry/ \
registry:2.5
3. 使用步骤(客户端)
3.1 开启 http 形式访问私有仓库模式
# vim /etc/docker/daemon.json
# systemctl daemon-reload
# systemctl restart docker
3.2 上传镜像到私有仓库(以 ubuntu:14.04 为例)
# docker tag ubuntu:14.04 192.9.100.127:5000/ubuntu:14.04
# docker login 192.9.100.127:5000
# docker push 192.9.100.127:5000/ubuntu:14.04
# docker pull 192.9.100.127:5000/ubuntu:14.04
4. 额外操作
4.1 查找私有仓库镜像
# curl -u abc:abc123 http://192.9.100.127:5000/v2/_catalog
# curl -u abc:abc123 http://192.9.100.127:5000/v2/ubuntu/tags/list
a. 仅删除镜像某个版本 (以ubuntu:14.04为例)
a.1 首先拿到digest_hash 参数
# curl -u abc:abc123 --header "Accept: application/vnd.docker.distribution.manifest.v2+json" -I -X GET http://192.9.100.127:5000/v2/ubuntu/manifests/14.04
# curl -u abc:abc123 -I -X DELETE http://192.9.100.127:5000/v2/ubuntu/manifests/sha256:2db86761fb24843ed0741646573e14aa4262daf6f78186e61cb0c2ae5d414a52
# docker exec registry bin/registry garbage-collect /etc/docker/registry/config.yml
# docker exec registry rm -rf /var/lib/registry/docker/registry/v2/repositories/ubuntu
# docker exec registry bin/registry garbage-collect /etc/docker/registry/config.yml
删除后需要重启registry容器
尽量不要删除镜像,以免损坏Layer,更新镜像直接上传覆盖即可
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