# 上傳到公有倉庫

公有倉庫指的是[Docker Hub](https://hub.docker.com/)，這裡有上百萬的映像檔供搜尋使用。

![](/files/-MDICcIY7ixuf9oFsrcP)

建議在使用時儘量尋找**`官方`**或**`驗證的發行者`**提供的映像檔，避免映像檔中夾帶著危及安全的程式碼及病毒。

![](/files/-MDIDKvp8A2ZIdYQdzcY)

{% hint style="warning" %}
**Docker Hub/Github等均為公共空間，請避免上傳與公司相關或機密的程式。**
{% endhint %}

Docker Push到公用倉庫Docker Hub

* Docker Login

```
$ docker login
Login with your Docker ID to push and pull images from Docker Hub. If you don't have a Docker ID, head over to https://hub.docker.com to create one.
Username: cutejaneii
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
```

* Docker Tag：在推送到自己的repository之前，要先tag

```
$ docker tag myapp cutejaneii/myapp
$ docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
cutejaneii/myapp    latest              7aba68965779        40 minutes ago      696MB
myapp               latest              7aba68965779        40 minutes ago      696MB
```

* Docker Push

```
$ docker push cutejaneii/myapp
The push refers to repository [docker.io/cutejaneii/myapp]
4e5b25e56255: Pushed 
27ca79121151: Pushed 
e1a81b1589ce: Pushed 
f8093b983c20: Pushed 
ebac8a5e2f5b: Pushed 
ebd94299f5d0: Pushed 
ff1c70957ceb: Pushed 
1bb42387f7cb: Pushed 
94119923fb5e: Pushed 
a11003618325: Pushed 
668c51fd0cef: Pushed 
latest: digest: sha256:cd0d1e36474560d95f081fb96efe9d3182802a196a89fd9b2f617b058515d807 size: 2635
```

成功後在Docker Hub上就可以看到這個映像檔

![](/files/-MDIBkHN2NUWd74G2MMC)


---

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