Image Registries
Explore how Docker image registries store and manage container images securely. Understand the difference between official and unofficial repositories, Docker Hub's role, and best practices for safe image use in containerized applications.
We'll cover the following...
Registries
We store images in centralized places called registries. The job of a registry is to securely store images and make them easy to access from different environments. The figure below shows the central nature of registries in the build > ship > run pipeline.
Most modern registries implement the OCI distribution-spec, and we sometimes call them OCI registries. Most registries also implement the Docker Registry v2 API, meaning we can use the Docker CLI and other API tools to query them and work with them in standard ways. Some offer advanced features such as image scanning and integration with build ...