Docker Registry

A Docker registry is a repository for storing and distributing Docker images. It’s essentially a server-side application that manages Docker images, allowing users to upload, download, and share container images. Docker registries play a crucial role in the Docker ecosystem, enabling developers to store their custom images and share them with others.

For Example, you can store your container images on your computer system, but what if you want to share them with your friends or use them on another machine? That’s where the image registry comes in.

An image registry is a centralized location for storing and sharing your container images. It can be either public or private. Docker Hub is a public registry that anyone can use and is the default registry.

While Docker Hub is a popular option, there are many other available container registries available today, including Amazon Elastic Container Registry(ECR), Azure Container Registry (ACR), and Google Container Registry (GCR). You can even run your private registry on your local system or inside your organization. For example, Harbor, JFrog Artifactory, GitLab Container registry etc.

There are several types of Docker registries based on their accessibility, deployment models, and usage scenarios. Here are the main types:

• Public Repositories: These repositories are…