Oracle Container Registry (OCR) is a fully managed cloud container image registry service providing secure, scalable, and reliable storage for container images. It supports Docker images and OCI artifacts with built-in security features including encryption at rest and in transit, vulnerability scanning powered by OCI scanning service, and fine-grained access control. The registry integrates seamlessly with OCI Container Kubernetes Engine (OKE), OCI Compute, and other services for simplified container deployments. Features include image tagging, image signing, and automated image cleanup with lifecycle policies.