Inside ACR Artifact Cache: Pull-Through Caching at Scale

By: Akash Singhal , Luis Dieguez , Kiran Challa, Nathan Anderson , Tony Vargas , Caroline Barker , Ren Shao , Mabel Egba , Toddy Mladenov , Johnson Shi Introduction For many customers, Azure Container Registry (ACR) is the only registry their workloads can trust, even when images and artifacts originate from a different registry such as Docker Hub, Microsoft Artifact Registry, GitHub Container Registry, Quay, another ACR, or a private registry. ACR Artifact Cache makes this many-to-one model practical by letting a platform team map a downstream ACR repository path to an upstream source reposit