Docker Registry
A Docker Registry is a storage and content delivery system for Docker images, enabling developers to store, manage, and distribute container images. It acts as a central repository where images can be pushed (uploaded) and pulled (downloaded) by Docker clients, facilitating consistent deployment across environments. Registries can be public, like Docker Hub, or private, hosted on-premises or in the cloud for secure, internal use.
Developers should learn and use Docker Registry when working with containerized applications to ensure reliable image storage, version control, and team collaboration. It is essential for CI/CD pipelines, as it allows automated builds to push images for deployment, and for production environments where private registries secure proprietary code. Use cases include microservices architectures, cloud-native development, and maintaining compliance with organizational policies.