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Microsoft Azure Enterprise Architecture Guide

A structured field guide for designing, governing, securing, automating, and operating enterprise workloads on Microsoft Azure. The content focuses on landing-zone decisions, identity, networking, governance, security, infrastructure as code, observability, resilience, and hybrid integration.

Note

Azure services and recommendations change frequently. Validate service availability, limits, pricing, API versions, and Microsoft guidance for your subscription and region before implementation.

Start here

Goal Recommended entry point
Establish architecture principles Core design principles
Design a landing zone Landing-zone blueprint
Organize subscriptions and governance Management groups and Azure Policy
Design identity and access Identity architecture and roles and policies
Build enterprise networking VNet design and ExpressRoute/VPN
Automate deployments Bicep and Terraform
Secure workloads and secrets Defender for Cloud and Key Vault
Monitor operations Log Analytics and alerts and insights
Connect hybrid environments Azure Arc and hybrid identity

Architecture domains

Domain Key concerns
Architecture and governance Landing zones, management groups, policy, subscription organization, and platform ownership
Identity and security Microsoft Entra ID, RBAC, privileged access, Defender for Cloud, secrets, and key management
Networking Address planning, hub-and-spoke topology, hybrid connectivity, routing, DNS, and private access
Compute, storage, and data Workload placement, availability, scale, backup, disaster recovery, and managed databases
Automation and DevOps Bicep, Terraform, Azure Pipelines, GitHub Actions, and repeatable deployment controls
Monitoring and operations Log Analytics, alerts, platform health, operational ownership, and response procedures
Hybrid cloud Azure Arc, identity synchronization, connectivity, governance, and migration considerations

Recommended adoption sequence

  1. Define business, security, compliance, availability, and data-residency requirements.
  2. Establish tenant, management-group, subscription, identity, and policy foundations.
  3. Design connectivity, DNS, shared services, observability, and security controls.
  4. Implement infrastructure through reviewed, version-controlled Bicep or Terraform.
  5. Validate resilience, backup, recovery, cost controls, operational ownership, and incident response before production onboarding.

Scope and status

This repository is an architectural and operational reference, not a substitute for a workload-specific design review. See ROADMAP.md for planned improvements and docs/index.md for the documentation index.

Licensed under the MIT License. Maintained by @mohamedmahersaid.

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Enterprise Azure architecture field guide covering landing zones, identity, networking, governance, security, automation, monitoring, and hybrid cloud.

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