Docker Hub is Docker's online, hosted registry for Docker images. It allows you to search, pull, and store images in the cloud. It's similar to Hashicorp's Vagrant Cloud or the Chef Supermarket. You can access the Hub by visiting its website at https://hub.docker.com/.
Docker Hub also offers some really interesting features, including the following:
- Build and test your images
- It links to Docker Cloud, which allows you to deploy your images to your hosts
- Workflow/pipeline automation
- A centralized resource for container discovery
- User accounts
- Public and private registries
Let's take a look at the Docker Hub and use the search facility to find an image:
- Visit the website at https://hub.docker.com/.
- Click on the
Explorelink in the top right menu. - You'll now see the
Explorescreen, which lists the top official repositories.
- In the top left, there is a search bar. Let's search for
memcachedand view the results:
We can see that it found 1169 repositories, and the...