Managing container images with a registry

An image registry is a centralized service that stores, manages, and distributes container images. It acts as a repository where developers can push their container images after building them and pull these images when deploying applications in different environments. Image registries are essential in containerized workflows as they simplify sharing, versioning, and deploying container images. There are three types of image registries—public, private, and self-hosted registries:

• Public registries: These are widely accessible and host various container images. They are ideal for sharing commonly used images or accessing resources contributed by the community. Registries that offer public repositories include Docker Hub, known for its extensive collection of official and community images; Quay.io, which supports public and private repositories with advanced security and analytics; and GitHub Container Registry, integrated with...