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MicrosoftDocs/Agent-Skills/skills/azure-container-instances/SKILL.md

azure-container-instances

Expert knowledge for Azure Container Instances development including troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, and deployment. Use when configuring ACI standby pools, static IP networking, GPU containers, secure ACR pulls, or GitHub Actions deploys, and other Azure Container Instances related development tasks. Not for Azure Container Apps (use azure-container-apps), Azure Kubernetes Service (AKS) (use azure-kubern

Source repository stars
717
Declared platforms
0
Static risk flags
0
Last source update
2026-08-17
Source checked
2026-08-25

Decision brief

What it does: where it fits

This skill provides expert guidance for Azure Container Instances. Covers troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, and deployment. It combines local quick-reference content with remote documentati…

Best for

  • Use when configuring ACI standby pools, static IP networking, GPU containers, secure ACR pulls, or GitHub Actions deploys, and other Azure Container Instances related development tasks.

Not for

  • Tasks that require unconfirmed production actions or broad system permissions.
  • Environments where the pinned source and install steps cannot be inspected.

Compatibility matrix

Platform support, with evidence labels

PlatformStatusEvidenceWhat to check
CodexNot declaredNo explicit evidencePortability before use
Claude CodeNot declaredNo explicit evidencePortability before use
CursorNot declaredNo explicit evidencePortability before use
Gemini CLINot declaredNo explicit evidencePortability before use
Open the compatibility checker

Installation

Inspect first. Install second.

The source command is displayed only when detected. A safe inspection prompt is always available so your agent can explain every action before execution.

Source-detected install commandSource
npx skills add https://github.com/MicrosoftDocs/Agent-Skills --skill "skills/azure-container-instances"
Safe inspection promptEditorial

Inspect the Agent Skill "azure-container-instances" from https://github.com/MicrosoftDocs/Agent-Skills/blob/c579bb4b37e7969ffc8bc071ca0f53048c3bfe41/skills/azure-container-instances/SKILL.md at commit c579bb4b37e7969ffc8bc071ca0f53048c3bfe41. List every install step, command, network request, credential, file read/write, external action, and rollback step. Explain whether it fits my task. Do not install or execute anything until I approve.

Workflow

What the source asks the agent to do

  1. 01

    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 readfile with the specified lines. For categories with file links (e.g., security.md), use readfile on the linked reference file

    Preferred: Use mcpmicrosoftdocs:microsoftdocsfetch with query string from=learn-agent-skill. Returns Markdown.Fallback: Use fetchwebpage with query string from=learn-agent-skill&accept=text/markdown. Returns Markdown.IMPORTANT for Agent: Use the Category Index below to locate relevant sections. For categories with line ranges (e.g., L35-L120), use readfile with the specified lines. For categories with file links (e.g., security.md),…
  2. 02

    Category Index

    Review the “Category Index” section in the pinned source before continuing.

    Review and apply the “Category Index” source section.
  3. 03

    Troubleshooting

    Review the “Troubleshooting” section in the pinned source before continuing.

    Review and apply the “Troubleshooting” source section.
  4. 04

    Best Practices

    Review the “Best Practices” section in the pinned source before continuing.

    Review and apply the “Best Practices” source section.
  5. 05

    Decision Making

    Review the “Decision Making” section in the pinned source before continuing.

    Review and apply the “Decision Making” source section.

Permission review

Static risk signals and limitations

No configured static risk pattern was detected

This is not proof of safety. Runtime behavior, indirect dependencies, and hidden external systems are outside the static scan.

Evidence record

Why each signal appears

EvidenceSourceComputedTestedEditorial
SignalValueEvidence typeMeaning
Quality score92/100ComputedDocumentation, specificity, maintenance, and trust rules
Repository stars717SourceRepository attention, not individual Skill quality
Compatibility0 platformsSourceDeclared in the catalog source record
Usage guideautomated source guideEditorialGenerated or reviewed according to the visible evidence level

Pinned source

Provenance and original SKILL.md

Repository
MicrosoftDocs/Agent-Skills
Skill path
skills/azure-container-instances/SKILL.md
Commit
c579bb4b37e7969ffc8bc071ca0f53048c3bfe41
License
CC-BY-4.0
Collected
2026-08-25
Default branch
main
View the original SKILL.md

Azure Container Instances Skill

This skill provides expert guidance for Azure Container Instances. Covers troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, 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

CategoryLinesDescription
TroubleshootingL36-L42Diagnosing ACI issues using logs/events, understanding provisioning/runtime states, and troubleshooting deployment failures and container startup problems.
Best PracticesL43-L47Guidance on designing and running ACI workloads reliably: resource sizing, networking, storage, security, scaling, image management, and operational best practices.
Decision MakingL48-L53Guidance on cost-optimizing ACI with Spot containers and using prediction-based sizing to configure and right-size Azure Container Instances standby pools.
Architecture & Design PatternsL54-L60Design patterns for giving ACI containers static inbound/outbound IPs using Application Gateway, firewalls, and NAT Gateway for controlled, predictable network egress/ingress.
Limits & QuotasL61-L69ACI limits, quotas, and behaviors: max CPU/memory (Big Containers), per‑region quotas, standby pool limits, VNet constraints, and FAQs on scaling, performance, and resource usage.
SecurityL70-L84Securing Azure Container Instances: TLS/HTTPS setup, secrets and CMK encryption, managed identities/RBAC, secure ACR pulls, DNS reuse protection, and Azure Policy for compliance.
ConfigurationL85-L116Configuring ACI container groups: env vars, DNS, volumes, GPUs, probes, logging/monitoring, standby pools, restarts, entrypoints, updates, and runtime command execution.
DeploymentL117-L120Using GitHub Actions to build, push, and automatically deploy container images to Azure Container Instances, including workflow YAML setup and authentication configuration.

Troubleshooting

TopicURL
Retrieve Azure Container Instances logs and events for troubleshootinghttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-get-logs
Troubleshoot Azure Container Instances deployment issueshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-troubleshooting
Interpret Azure Container Instances provisioning and runtime stateshttps://learn.microsoft.com/en-us/azure/container-instances/container-state

Best Practices

TopicURL
Apply Azure Container Instances workload best practiceshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-best-practices-and-considerations

Decision Making

TopicURL
Decide when to use ACI Spot containers for cost savingshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-spot-containers-overview
Use prediction results to right-size Azure Container Instances standby poolshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-standby-pool-prediction-results

Architecture & Design Patterns

TopicURL
Expose Azure Container Instances via Application Gateway static IPhttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-application-gateway
Configure static outbound IP for Azure Container Instances with firewallhttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-egress-ip-address
Configure Azure Container Instances egress via NAT Gatewayhttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-nat-gateway

Limits & Quotas

TopicURL
Use Big Containers with ACI vCPU and memory limitshttps://learn.microsoft.com/en-us/azure/container-instances/big-containers
Azure Container Instances FAQs on limits and behaviorhttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-faq
Check Azure Container Instances resource and quota limitshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-resource-and-quota-limits
FAQ and limits for Azure Container Instances standby poolshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-standby-pool-faq
Understand ACI virtual network scenarios and limitshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-virtual-network-concepts

Security

TopicURL
Configure automatic HTTPS for Azure Container Instances using Caddyhttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-container-group-automatic-ssl
Enable TLS for Azure Container Instances with Nginx sidecarhttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-container-group-ssl
Encrypt Azure Container Instances deployment data with customer-managed keyshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-encrypt-data
Secure images and secrets for Azure Container Instanceshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-image-security
Configure managed identities for Azure Container Instanceshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-managed-identity
Configure RBAC permissions for Azure Container Instances standby poolshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-standby-pool-configure-permissions
Secure ACI pulls from Azure Container Registry with service principalshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-using-azure-container-registry
Mount secret volumes in Azure Container Instanceshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-volume-secret
Set ACI DNS name reuse policy to prevent subdomain takeoverhttps://learn.microsoft.com/en-us/azure/container-instances/how-to-reuse-dns-names
Use built-in Azure Policy definitions for Container Instanceshttps://learn.microsoft.com/en-us/azure/container-instances/policy-reference
Use managed identities for ACI access to Azure Container Registryhttps://learn.microsoft.com/en-us/azure/container-instances/using-azure-container-registry-mi

Configuration

TopicURL
Use config maps to manage settings in Azure Container Instanceshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-config-map
Configure custom DNS for Azure Container Instances container groupshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-custom-dns
Configure environment variables for Azure Container Instanceshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-environment-variables
Execute commands in running Azure Container Instances containershttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-exec
Deploy GPU-enabled workloads on Azure Container Instanceshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-gpu
Configure init containers in Azure Container Instanceshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-init-container
Configure liveness probes for Azure Container Instanceshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-liveness-probe
Configure Azure Container Instances log collectionhttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-log-analytics
Configure readiness probes for Azure Container Instanceshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-readiness-probe
Configure Azure Container Instances with YAML referencehttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-reference-yaml
Configure restart policies for run-once tasks in ACIhttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-restart-policy
Create standby pools for Azure Container Instanceshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-standby-pool-create
Retrieve details of Azure Container Instances standby poolshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-standby-pool-get-details
Understand and query health state of Azure Container Instances standby poolshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-standby-pool-health-state
Use standby pools to reduce Azure Container Instances scale-out latencyhttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-standby-pool-overview
Request container groups from Azure Container Instances standby poolshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-standby-pool-request-container
Update or delete Azure Container Instances standby poolshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-standby-pool-update-delete
Monitor Azure Container Instances standby pool events with Log Analyticshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-standby-pools-monitor-pool-events
Override container entrypoint command in Azure Container Instanceshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-start-command
Manually stop and start Azure Container Instances container groupshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-stop-start
Update running container groups in Azure Container Instanceshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-update
Mount Azure Files volumes in Azure Container Instanceshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-volume-azure-files
Use emptyDir volumes to share data in Azure Container Instanceshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-volume-emptydir
Mount gitRepo volumes in Azure Container Instanceshttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-volume-gitrepo
Configure monitoring and alerts for Azure Container Instanceshttps://learn.microsoft.com/en-us/azure/container-instances/monitor-azure-container-instances
Configure monitoring and alerts for Azure Container Instanceshttps://learn.microsoft.com/en-us/azure/container-instances/monitor-azure-container-instances
Monitoring data reference for Azure Container Instanceshttps://learn.microsoft.com/en-us/azure/container-instances/monitor-azure-container-instances-reference
View Azure Container Instances logs in Log Analytics via portalhttps://learn.microsoft.com/en-us/azure/container-instances/viewing-logs-in-portal

Deployment

TopicURL
Automate ACI deployments with GitHub Actions workflow configurationhttps://learn.microsoft.com/en-us/azure/container-instances/container-instances-github-action

Frequently asked questions

What to verify before installation and use

What does the azure-container-instances source document cover?

This skill provides expert guidance for Azure Container Instances. Covers troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, and deployment. It combines local quick-reference content with remote documentati…

How do I install azure-container-instances?

The source record exposes this install command: npx skills add https://github.com/MicrosoftDocs/Agent-Skills --skill "skills/azure-container-instances". Inspect the command and pinned source before running it.

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