root@server01 ~]# yum -y install httpd-tools   安装加密工具httpd-tools
[root@server01 myregistry]# pwd
/myregistry
[root@server01 myregistry]# mkdir registry-auth   创建存放验证密钥目录
[root@server01 myregistry]# htpasswd -Bbn ljj 123456 > /myregistry/registry-auth/htpasswd   配置registry身份验证数据库
"-Bbn”参数解释：B强制密码加密；b在命令中输入密码，不提示输入密码；n不更新密钥文件
[root@server01 myregistry]# cat registry-auth/htpasswd 
ljj:$2y$05$MhrXtmYlwqZ7.294TskEh.8zjNT9nZoyH5HYfy069Sh3ISaYQNjH2
[root@server01 registry-auth]# docker run -d -p 5000:5000 --restart=always -v /myregistry/registry-auth/:/auth/ -v /myregistry/registry:/var/lib/registry --name registry-auth -e "REGISTRY_AUTH=htpasswd" -e "REGISTRY_AUTH_HTPASSWD_REALM=Registry Realm" -e "REGISTRY_AUTH_HTPASSWD_PATH=/auth/htpasswd" registry:2

[root@server01 ~]# docker tag nginx:latest 192.168.0.220:5000/nginx:v1.0  #修改镜像标签

[root@server01 ~]# docker login 192.168.0.220:5000    #登录registry仓库
Username: ljj
Password: 
WARNING! Your password will be stored unencrypted in /root/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store

Login Succeeded
[root@server01 ~]# 

[root@server01 ~]# docker push 192.168.0.220:5000/nginx:v1.0　　#上传镜像
The push refers to repository [192.168.0.220:5000/nginx]
85fcec7ef3ef: Mounted from centos 
3e5288f7a70f: Mounted from centos 
56bc37de0858: Mounted from centos 
1c91bf69a08b: Mounted from centos 
cb42413394c4: Mounted from centos 
v1.0: digest: sha256:0b159cd1ee1203dad901967ac55eee18c24da84ba3be384690304be93538bea8 size: 1362

网页端访问：http://192.168.0.220:5000/v2/_catalog