An image like the one we created in the Node.js Hello World Docker Container from scratch post is simple, yet it’s a perfect example to try one of the cool features of Docker, provided through Docker Hub, the official hosting service of public and private Docker Images.

像我们从头开始在Node.js Hello World Docker Container中创建的图像一样简单，但它是尝试通过Docker Hub提供的Docker酷功能之一的完美示例，Docker Hub是公共和私有的官方托管服务Docker映像。

Before we can do that, however, we need to register on Docker Hub.

但是，在此之前，我们需要在Docker Hub上注册。

Docker Hub is free in its basic plan which includes unlimited public repos and one private repo. For more than that, there are paid plans.

Docker Hub是免费的基本计划，其中包括无限的公共存储库和一个私有存储库。 不仅如此，还有付费计划。

Once you register and login, you will see your dashboard:

注册并登录后，您将看到仪表板：