azure-container-registry

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Expert knowledge for Azure Container Registry development including troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, integrations & coding patterns, and deployment. Use when configuring ACR auth, geo-replication, image signing, tasks/webhooks, or connected registries via Arc, and other Azure Container Registry related development tasks. Not for Azure Container Apps (use azure-container-apps), Azure Container Instances (use azure-container-instances), Azure Kubernetes Service (AKS) (use azure-kubernetes-service), Azure Red Hat OpenShift (use azure-redhat-openshift).

MicrosoftDocs By MicrosoftDocs schedule Updated 6/16/2026
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name: azure-container-registry description: Expert knowledge for Azure Container Registry development including troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, integrations & coding patterns, and deployment. Use when managing ACR auth, geo-replication, connected registries, image signing/Defender scans, or caching rules, and other Azure Container Registry related development tasks. Not for Azure Container Apps (use azure-container-apps), Azure Container Instances (use azure-container-instances), Azure Kubernetes Service (AKS) (use azure-kubernetes-service), Azure Red Hat OpenShift (use azure-redhat-openshift). compatibility: Requires network access. Uses mcp_microsoftdocs:microsoft_docs_fetch or fetch_webpage to retrieve documentation. metadata: generated_at: "2026-06-21" generator: "docs2skills/1.0.0"

Azure Container Registry Skill

This skill provides expert guidance for Azure Container Registry. Covers troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, integrations & coding patterns, and deployment. It combines local quick-reference content with remote documentation fetching capabilities.

How to Use This Skill

IMPORTANT for Agent: Use the Category Index below to locate relevant sections. For categories with line ranges (e.g., L35-L120), use read_file with the specified lines. For categories with file links (e.g., [security.md](security.md)), use read_file on the linked reference file

IMPORTANT for Agent: If metadata.generated_at is more than 3 months old, suggest the user pull the latest version from the repository. If mcp_microsoftdocs tools are not available, suggest the user install it: Installation Guide

This skill requires network access to fetch documentation content:

  • Preferred: Use mcp_microsoftdocs:microsoft_docs_fetch with query string from=learn-agent-skill. Returns Markdown.
  • Fallback: Use fetch_webpage with query string from=learn-agent-skill&accept=text/markdown. Returns Markdown.

Category Index

Category Lines Description
Troubleshooting L37-L52 Diagnosing and fixing ACR issues: health checks, error codes, login/auth, network, performance, transfer, logs, artifact cache/streaming, Arc extension, and customer-managed keys.
Best Practices L53-L60 Best practices for ACR operations: managing public image dependencies, safe image deletion and storage cleanup, and robust image tagging/versioning strategies.
Decision Making L61-L67 Guidance on choosing ACR auth for Kubernetes, migrating image signing from Docker Content Trust to Notary, and planning/configuring geo-replication for multi-region registries.
Architecture & Design Patterns L68-L73 Patterns for ACR performance and governance: caching image pulls, geo-replication strategies, connected registries for edge/offline, and gated import workflows for public images.
Limits & Quotas L74-L79 Details on ACR SKUs (Basic/Standard/Premium) feature differences, performance and throughput limits, and how image storage capacity and quotas are calculated and enforced.
Security L80-L118 Securing Azure Container Registry: auth methods (Entra, managed identity, tokens), RBAC/ABAC, network/firewall/VNet rules, encryption keys, image signing/verification, policy/compliance, and Defender scans.
Configuration L119-L137 Configuring ACR behavior: caching and wildcard rules, purge/retention/soft delete, delete locks, tasks (YAML, timers, patching, agent pools), webhooks, and monitoring metrics/logs.
Integrations & Coding Patterns L138-L154 Integrating ACR with Kubernetes, ACI, GitHub Actions, Helm, ORAS, and ACR Transfer; configuring auth, caching, webhooks, and image signing/verification workflows.
Deployment L155-L159 Using ARM templates to automate ACR quick tasks and data transfer, and deploying/managing ACR connected registries via Azure Arc extension

Troubleshooting

Topic URL
Run az acr check-health for quick ACR diagnostics https://learn.microsoft.com/en-us/azure/container-registry/container-registry-check-health
Troubleshoot common Azure Container Registry issues https://learn.microsoft.com/en-us/azure/container-registry/container-registry-faq
Interpret az acr check-health error codes and fixes https://learn.microsoft.com/en-us/azure/container-registry/container-registry-health-error-reference
View and manage Azure Container Registry task run logs https://learn.microsoft.com/en-us/azure/container-registry/container-registry-tasks-logs
Troubleshoot Azure Container Registry Transfer issues https://learn.microsoft.com/en-us/azure/container-registry/container-registry-transfer-troubleshooting
Troubleshoot Azure Container Registry network connectivity https://learn.microsoft.com/en-us/azure/container-registry/container-registry-troubleshoot-access
Troubleshoot ACR login, authentication, and authorization issues https://learn.microsoft.com/en-us/azure/container-registry/container-registry-troubleshoot-login-authn-authz
Troubleshoot Azure Container Registry performance problems https://learn.microsoft.com/en-us/azure/container-registry/container-registry-troubleshoot-performance
Troubleshoot Azure Container Registry artifact cache issues https://learn.microsoft.com/en-us/azure/container-registry/troubleshoot-artifact-cache
Diagnose and fix Azure Container Registry artifact streaming issues https://learn.microsoft.com/en-us/azure/container-registry/troubleshoot-artifact-streaming
Troubleshoot connected registry Arc extension issues https://learn.microsoft.com/en-us/azure/container-registry/troubleshoot-connected-registry-arc
Troubleshoot customer-managed keys in Azure Container Registry https://learn.microsoft.com/en-us/azure/container-registry/tutorial-troubleshoot-customer-managed-keys

Best Practices

Topic URL
Manage public image dependencies using ACR https://learn.microsoft.com/en-us/azure/container-registry/buffer-gate-public-content
Follow operational best practices for Azure Container Registry https://learn.microsoft.com/en-us/azure/container-registry/container-registry-best-practices
Delete ACR images safely to manage registry storage https://learn.microsoft.com/en-us/azure/container-registry/container-registry-delete
Apply image tagging and versioning best practices in ACR https://learn.microsoft.com/en-us/azure/container-registry/container-registry-image-tag-version

Decision Making

Topic URL
Select Kubernetes authentication options for Azure Container Registry https://learn.microsoft.com/en-us/azure/container-registry/authenticate-kubernetes-options
Migrate ACR signing from DCT to Notary Project https://learn.microsoft.com/en-us/azure/container-registry/container-registry-content-trust-deprecation
Plan and configure geo-replication for Azure Container Registry https://learn.microsoft.com/en-us/azure/container-registry/container-registry-geo-replication

Architecture & Design Patterns

Topic URL
Design and use connected registries with ACR https://learn.microsoft.com/en-us/azure/container-registry/intro-connected-registry
Implement gated import workflow for public images in ACR https://learn.microsoft.com/en-us/azure/container-registry/tasks-consume-public-content

Limits & Quotas

Topic URL
Compare Azure Container Registry SKU features and limits https://learn.microsoft.com/en-us/azure/container-registry/container-registry-skus
Review Azure Container Registry image storage limits https://learn.microsoft.com/en-us/azure/container-registry/container-registry-storage

Security

Topic URL
Allow trusted Azure services to access network-restricted ACR https://learn.microsoft.com/en-us/azure/container-registry/allow-access-trusted-services
Enable anonymous pull access for Azure Container Registry https://learn.microsoft.com/en-us/azure/container-registry/anonymous-pull-access
Configure cross-tenant AKS authentication to Azure Container Registry https://learn.microsoft.com/en-us/azure/container-registry/authenticate-aks-cross-tenant
Restrict Azure Container Registry public access by IP rules https://learn.microsoft.com/en-us/azure/container-registry/container-registry-access-selected-networks
Use Microsoft Entra service principals to access ACR https://learn.microsoft.com/en-us/azure/container-registry/container-registry-auth-service-principal
Choose and configure authentication methods for Azure Container Registry https://learn.microsoft.com/en-us/azure/container-registry/container-registry-authentication
Configure managed identity authentication to Azure Container Registry https://learn.microsoft.com/en-us/azure/container-registry/container-registry-authentication-managed-identity
Use Azure Policy to audit ACR compliance https://learn.microsoft.com/en-us/azure/container-registry/container-registry-azure-policy
Configure Microsoft Entra Conditional Access policies for ACR https://learn.microsoft.com/en-us/azure/container-registry/container-registry-configure-conditional-access
Enable Docker Content Trust for Azure Container Registry https://learn.microsoft.com/en-us/azure/container-registry/container-registry-content-trust
Use dedicated data endpoints to secure ACR traffic https://learn.microsoft.com/en-us/azure/container-registry/container-registry-dedicated-data-endpoints
Control accepted Microsoft Entra auth scopes for ACR https://learn.microsoft.com/en-us/azure/container-registry/container-registry-disable-authentication-as-arm
Configure firewall rules for Azure Container Registry access https://learn.microsoft.com/en-us/azure/container-registry/container-registry-firewall-rules
Configure Azure ABAC repository permissions in ACR https://learn.microsoft.com/en-us/azure/container-registry/container-registry-rbac-abac-repository-permissions
Reference for Azure Container Registry built-in RBAC roles https://learn.microsoft.com/en-us/azure/container-registry/container-registry-rbac-built-in-roles-directory-reference
Assign and manage ACR RBAC built-in roles https://learn.microsoft.com/en-us/azure/container-registry/container-registry-rbac-built-in-roles-overview
Create and assign custom RBAC roles for Azure Container Registry https://learn.microsoft.com/en-us/azure/container-registry/container-registry-rbac-custom-roles
Use Azure Container Registry service tags for network rules https://learn.microsoft.com/en-us/azure/container-registry/container-registry-service-tag
Access Key Vault secrets from ACR Tasks via managed identity https://learn.microsoft.com/en-us/azure/container-registry/container-registry-tasks-authentication-key-vault
Configure managed identity for ACR Tasks https://learn.microsoft.com/en-us/azure/container-registry/container-registry-tasks-authentication-managed-identity
Use managed identity for cross-registry auth in ACR Tasks https://learn.microsoft.com/en-us/azure/container-registry/container-registry-tasks-cross-registry-authentication
Configure token-based repository permissions in Azure Container Registry https://learn.microsoft.com/en-us/azure/container-registry/container-registry-token-based-repository-permissions
Sign ACR images with CA certs via Key Vault https://learn.microsoft.com/en-us/azure/container-registry/container-registry-tutorial-sign-trusted-ca
Enforce AKS image signature verification with Ratify https://learn.microsoft.com/en-us/azure/container-registry/container-registry-tutorial-verify-with-ratify-aks
Restrict ACR access with virtual network service endpoints https://learn.microsoft.com/en-us/azure/container-registry/container-registry-vnet
Disable artifact export to prevent ACR data exfiltration https://learn.microsoft.com/en-us/azure/container-registry/data-loss-prevention
Manage ACR Tasks network bypass policy with trusted services https://learn.microsoft.com/en-us/azure/container-registry/manage-network-bypass-policy-for-tasks
Reference of built-in Azure Policy definitions for ACR https://learn.microsoft.com/en-us/azure/container-registry/policy-reference
Configure client tokens to pull from connected registries https://learn.microsoft.com/en-us/azure/container-registry/pull-images-from-connected-registry
Scan ACR images with Microsoft Defender for Cloud https://learn.microsoft.com/en-us/azure/container-registry/scan-images-defender
Apply Azure Policy compliance controls to ACR https://learn.microsoft.com/en-us/azure/container-registry/security-controls-policy
Secure connected registry Arc extension deployments https://learn.microsoft.com/en-us/azure/container-registry/tutorial-connected-registry-arc
Configure customer-managed encryption keys for ACR https://learn.microsoft.com/en-us/azure/container-registry/tutorial-customer-managed-keys
Enable customer-managed keys on Azure Container Registry https://learn.microsoft.com/en-us/azure/container-registry/tutorial-enable-customer-managed-keys
Rotate and revoke customer-managed keys for ACR https://learn.microsoft.com/en-us/azure/container-registry/tutorial-rotate-revoke-customer-managed-keys

Configuration

Topic URL
Configure artifact cache in ACR using Azure CLI https://learn.microsoft.com/en-us/azure/container-registry/artifact-cache-cli
Configure and run acr purge for Azure Container Registry https://learn.microsoft.com/en-us/azure/container-registry/container-registry-auto-purge
Reference Azure Container Registry endpoint types and flags https://learn.microsoft.com/en-us/azure/container-registry/container-registry-endpoint-reference
Configure delete locks on ACR images and repositories https://learn.microsoft.com/en-us/azure/container-registry/container-registry-image-lock
Configure retention policy for untagged ACR manifests https://learn.microsoft.com/en-us/azure/container-registry/container-registry-retention-policy
Configure and use ACR soft delete retention policy https://learn.microsoft.com/en-us/azure/container-registry/container-registry-soft-delete-policy
Use multi-step ACR Tasks to build, test, and patch images https://learn.microsoft.com/en-us/azure/container-registry/container-registry-tasks-multi-step
YAML schema reference for Azure Container Registry Tasks https://learn.microsoft.com/en-us/azure/container-registry/container-registry-tasks-reference-yaml
Schedule Azure Container Registry Tasks with timers https://learn.microsoft.com/en-us/azure/container-registry/container-registry-tasks-scheduled
Configure multi-step ACR Tasks for build workflows https://learn.microsoft.com/en-us/azure/container-registry/container-registry-tutorial-multistep-task
Webhook payload schema for Azure Container Registry events https://learn.microsoft.com/en-us/azure/container-registry/container-registry-webhook-reference
Configure continuous patching for Azure Container Registry https://learn.microsoft.com/en-us/azure/container-registry/how-to-continuous-patching
Monitoring metrics and logs reference for Azure Container Registry https://learn.microsoft.com/en-us/azure/container-registry/monitor-container-registry-reference
Configure dedicated agent pools for ACR Tasks https://learn.microsoft.com/en-us/azure/container-registry/tasks-agent-pools
Configure wildcard rules for ACR artifact cache https://learn.microsoft.com/en-us/azure/container-registry/wildcards-artifact-cache

Integrations & Coding Patterns

Topic URL
Configure ACR-to-ACR artifact caching with managed identity https://learn.microsoft.com/en-us/azure/container-registry/artifact-cache-acr-to-acr-cli
Grant Azure Container Instances access to ACR with service principals https://learn.microsoft.com/en-us/azure/container-registry/container-registry-auth-aci
Create Kubernetes pull secrets for Azure Container Registry access https://learn.microsoft.com/en-us/azure/container-registry/container-registry-auth-kubernetes
Host and manage Helm chart repositories in ACR https://learn.microsoft.com/en-us/azure/container-registry/container-registry-helm-repos
Manage OCI and supply chain artifacts in ACR with ORAS https://learn.microsoft.com/en-us/azure/container-registry/container-registry-manage-artifact
Build images with Buildpacks using az acr pack build https://learn.microsoft.com/en-us/azure/container-registry/container-registry-tasks-pack-build
Automate ACR Transfer using ARM templates https://learn.microsoft.com/en-us/azure/container-registry/container-registry-transfer-arm-template
Use ACR Transfer with Azure CLI extension https://learn.microsoft.com/en-us/azure/container-registry/container-registry-transfer-cli
Build, push, and sign ACR images in GitHub Actions with Notation https://learn.microsoft.com/en-us/azure/container-registry/container-registry-tutorial-github-sign-notation-artifact-signing
Verify signed ACR images in GitHub Actions workflows https://learn.microsoft.com/en-us/azure/container-registry/container-registry-tutorial-github-verify-notation-artifact-signing
Sign ACR images with Notation using Azure Key Vault certificates https://learn.microsoft.com/en-us/azure/container-registry/container-registry-tutorial-sign-build-push
Sign and verify ACR images using Notation and Artifact Signing https://learn.microsoft.com/en-us/azure/container-registry/container-registry-tutorial-sign-verify-notation-artifact-signing
Configure ACR webhooks for registry event notifications https://learn.microsoft.com/en-us/azure/container-registry/container-registry-webhook

Deployment

Topic URL
Queue ACR quick task runs with ARM templates https://learn.microsoft.com/en-us/azure/container-registry/container-registry-task-run-template
Deploy the ACR connected registry Arc extension https://learn.microsoft.com/en-us/azure/container-registry/quickstart-connected-registry-arc-cli
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