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为什么要弄私有仓库，大多是为了速度，我们再私有仓库中的push和pull的速度是特别快的。
利用registry快速搭建
/registry/”>https://hub.docker.com//registry/
Run a local registry: Quick Version
$ docker run -d -p 5000:5000 --restart always --name registry registry:2
Now, use it from within Docker:
$ docker pull ubuntu
$ docker tag ubuntu localhost:5000/ubuntu
$ docker push localhost:5000/ubuntu这是官方的一个小demo。下面是我自己的实践。
# 拉取registry2.0版本
[root@FantJ ~]# docker pull registry:2
Trying to pull repository docker.io/library/registry ...
2: Pulling from docker.io/library/registry
81033e7c1d6a: Pull complete
b235084c2315: Pull complete
c692f3a6894b: Pull complete
ba2177f3a70e: Pull complete
a8d793620947: Pull complete
Digest: sha256:672d519d7fd7bbc7a448d17956ebeefe225d5eb27509d8dc5ce67ecb4a0bce54
Status: Downloaded newer image for docker.io/registry:2
# 后台启动运行
[root@FantJ ~]# docker run -d -p 5000:5000 --restart always --name registry registry:2
ce5b8bfa6d7f535906730ea3a058b00e7cfdaaa20ea0db3c49d700a4e2c8a645
[root@FantJ ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
docker.io/openjdk 8-jre bef23b4b9cac 2 weeks ago 443 MB
docker.io/fantj/nginx latest ae513a47849c 4 weeks ago 109 MB
docker.io/nginx latest ae513a47849c 4 weeks ago 109 MB
docker.io/registry 2 d1fd7d86a825 4 months ago 33.3 MB
# tag 镜像
[root@FantJ ~]# docker tag docker.io/nginx 127.0.0.1:5000/nginx
# 上传到私有仓库
[root@FantJ ~]# docker push 127.0.0.1:5000/nginx
The push refers to a repository [127.0.0.1:5000/nginx]
7ab428981537: Pushed
82b81d779f83: Pushed
d626a8ad97a1: Pushed
latest: digest: sha256:e4f0474a75c510f40b37b6b7dc2516241ffa8bde5a442bde3d372c9519c84d90 size: 948
[root@FantJ ~]#
缺点：没有可视化管理工具，私有仓库服务宕机造成麻烦,没有用户管理机制、没有操作的记录功能。
优点：搭建操作简单
利用harbor搭建
下载地址：https://storage.googleapis.com/harbor-releases/release-1.5.0/harbor-offline-installer-v1.5.1.tgz
wget https://storage.googleapis.com/harbor-releases/release-1.5.0/harbor-offline-installer-v1.5.1.tgz
tar zxvf harbor-offline-installer-v1.5.1.tgz
cd harbor
修改配置harbor.cfg
hostname = fantj.top:8888
http还是https啥的自己看着改保存退出，直接运行install.sh
cd ..
./install.sh注意一点：harbor默认会占用80端口，所以请确保你的80端口不被占用，那怎么修改呢？
修改配置docker-compose.yml（需要改端口再进行）
将80:80的第一个80改为自定义的端口号
我在这里改成8888端口。
然后运行install.sh
......
[Step 4]: starting Harbor ...
Creating network "harbor_harbor" with the default driver
Creating harbor-log
Creating redis
Creating registry
Creating harbor-db
Creating harbor-adminserver
Creating harbor-ui
Creating nginx
Creating harbor-jobservice
----Harbor has been installed and started successfully.----
Now you should be able to visit the admin portal at http://fantj.top:8888 .
For more details, please visit https://github.com/vmware/harbor .
好的，成功了，我们来访问一下。 
默认账号密码：
admin
Harbor12345
如果想修改，去harbor.cfg修改。
[root@FantJ harbor]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
ea66b87c5d26 vmware/harbor-jobservice:v1.5.1 "/harbor/start.sh" 7 minutes ago Up 7 minutes harbor-jobservice
5fecbc47ea68 vmware/nginx-photon:v1.5.1 "nginx -g 'daemon ..." 7 minutes ago Up 7 minutes (healthy) 0.0.0.0:443->443/tcp, 0.0.0.0:4443->4443/tcp, 0.0.0.0:8888->80/tcp nginx
9ccfa0d137de vmware/harbor-ui:v1.5.1 "/harbor/start.sh" 7 minutes ago Up 7 minutes (healthy) harbor-ui
b1f6387545d6 vmware/harbor-db:v1.5.1 "/usr/local/bin/do..." 7 minutes ago Up 7 minutes (healthy) 3306/tcp harbor-db
6bcd46635374 vmware/registry-photon:v2.6.2-v1.5.1 "/entrypoint.sh se..." 7 minutes ago Up 7 minutes (healthy) 5000/tcp registry
c40db866f7d2 vmware/harbor-adminserver:v1.5.1 "/harbor/start.sh" 7 minutes ago Up 7 minutes (healthy) harbor-adminserver
8d0ee20abfbf vmware/redis-photon:v1.5.1 "docker-entrypoint..." 7 minutes ago Up 7 minutes 6379/tcp redis
17c002dd8b98 vmware/harbor-log:v1.5.1 "/bin/sh -c /usr/l..." 7 minutes ago Up 7 minutes (healthy) 127.0.0.1:1514->10514/tcp harbor-log
[root@FantJ harbor]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
vmware/redis-photon v1.5.1 19245c7a4f51 3 days ago 207 MB
vmware/clair-photon v2.0.1-v1.5.1 e7f0ab982469 3 days ago 303 MB
vmware/notary-server-photon v0.5.1-v1.5.1 611385e920c3 3 days ago 211 MB
vmware/notary-signer-photon v0.5.1-v1.5.1 f9e01495db0e 3 days ago 209 MB
vmware/registry-photon v2.6.2-v1.5.1 2efae6b250b1 3 days ago 198 MB
vmware/nginx-photon v1.5.1 90d35cd72a68 3 days ago 135 MB
vmware/harbor-log v1.5.1 67000769dfac 3 days ago 200 MB
vmware/harbor-jobservice v1.5.1 3f7a7987ca5b 3 days ago 194 MB
vmware/harbor-ui v1.5.1 8dbe945233a8 3 days ago 212 MB
vmware/harbor-adminserver v1.5.1 a11b8eb3f9d8 3 days ago 183 MB
vmware/harbor-db v1.5.1 afa780d73279 3 days ago 526 MB
vmware/mariadb-photon v1.5.1 59ed57632415 3 days ago 526 MB
vmware/postgresql-photon v1.5.1 41b693c0ce50 3 days ago 221 MB
docker.io/openjdk 8-jre bef23b4b9cac 2 weeks ago 443 MB
vmware/harbor-migrator v1.5.0 466c57ab0dc3 4 weeks ago 1.16 GB
127.0.0.1:5000/nginx latest ae513a47849c 4 weeks ago 109 MB
docker.io/fantj/nginx latest ae513a47849c 4 weeks ago 109 MB
docker.io/nginx latest ae513a47849c 4 weeks ago 109 MB
vmware/photon 1.0 4b481ecbef2a 5 weeks ago 130 MB
docker.io/registry 2 d1fd7d86a825 4 months ago 33.3 MB
可以看到我们的进程和镜像都多了很多的以vmware开头的（harbor是vmware公司的开源工具）.
好了，开始push测试
[root@FantJ harbor]# docker tag docker.io/nginx fantj.top:8888/internet-plus/nginx
[root@FantJ harbor]# docker push fantj.top:8888/internet-plus/nginx
The push refers to a repository [fantj.top:8888/internet-plus/nginx]
Get https://fantj.top:8888/v1/_ping: dial tcp: lookup fantj.top: no such host
它提示需要用https请求才安全，解决方式有两种：
第一种：docker启动的时候添加对域名+端口的信任 –insecure-registry=xxxx.xx.xx.xx:8888
第二种：添加ssl证书,改天更新
Harbor重启
#docker-compose stop
# ./install.sh遇到过的问题
如果你的服务上挂了https，也就是SA证书，它和docker的harbor会有冲突，因为你访问的harbor端口会被
