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Azure

Azure Container Registry

A registry of Docker and Open Container Initiative (OCI) images, with support for all OCI artifacts.
Overview

Simplify container lifecycle management

Build, store, secure, scan, replicate, and manage container images and artifacts with a fully managed, geo-replicated instance of OCI distribution. Connect across environments, including Azure Kubernetes Service (AKS) and Azure Red Hat OpenShift, and across Azure services like Azure App Service, Azure Machine Learning, and Azure Batch.
  • Get fast, scalable retrieval of container workloads. Azure Container Registry handles private Docker container images as well as related content formats, such as Helm charts, OCI artifacts, and images built to the OCI image format specification.
  • Streamline building, testing, pushing, and deploying images to Azure with Azure Container Registry Tasks. For example, extend your development inner-loop to the cloud by offloading Docker build operations to Azure with az acr build. Configure tasks to automatically rebuild application images when base images are updated, or automate image builds when your team commits code to a Git repository. Create multi-step tasks to automate building, testing, and patching multiple container images in parallel, in the cloud. Automate time-based tasks with Task Scheduling.
  • Set up a single registry to serve users and hosts wherever they are, with multi-master geo-replication. Synchronize an artifact across all replicas by pushing it to any one replica. Speed up deployment by using regionalized webhooks to receive notifications when a local pull becomes available.
  • Get both the security of a private network and the robustness of a managed, geo-replicated service, using Azure Virtual Network integration and firewall rules. Restrict access to your registry to services deployed within a virtual network—for example, to an Azure Kubernetes Service (AKS) instance.
  • Help ensure the content you pull from the registry is the content run on the node. Sign container images you push to the registry and configure image consumers to verify image integrity upon pulling.
  • Continuously scan images on Azure Container Registry. Discover known vulnerabilities in packages or other dependencies defined in the container image file. Receive vulnerability assessments and recommendations, including specific remediation guidance.
Features

Key features

Geo-replication

Geo-replication to efficiently manage a single registry across multiple regions

OCI artifact repository

OCI artifact repository for adding Helm charts, Singularity support, and new OCI artifact-supported formats

Automated container building and patching

Automated container building and patching, including base image updates and task scheduling

Highly secure

Enhanced security with Microsoft Entra ID authentication, role-based access control, Docker Content Trust, and virtual network integration.
Security

Built-in security and compliance 

Microsoft has committed to investing $20 billion in cybersecurity over five years.
We employ more than 8,500 security and threat intelligence experts across 77 countries.
Azure has one of the largest compliance certification portfolios in the industry.
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Pricing

Flexible pricing keeps you in control

Choose from multiple service tiers with predictable pricing and options for aligning to the capacity and usage patterns of your registry in Azure.
FAQ

Frequently asked questions

  • Authenticate through Microsoft Entra ID user, service principal, or admin login, or through Azure managed identity.
  • See Azure Container Registry best practices and recommendations for tagging and versioning container images.
  • Yes. See documentation from Twistlock and Aqua.
  • Yes, you can use trusted images in Azure Container Registry by enabling integrated Docker Notary. Learn more.
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