The Azure Deployment Framework (ADF) is a comprehensive approach to deploying resources in Azure, integrating YAML, Bicep, and PowerShell. It provides three architecture models: isolated, semi-isolated, and standard. Each model dictates how resources are deployed and interconnected.
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Azure Deployment Framework (ADF) Overview
Key Components:
YAML: Used for defining workflows and CI/CD pipelines.
Bicep: A domain-specific language (DSL) that simplifies the deployment of Azure resources.
PowerShell: Automates deployment tasks and integrates various parts of the deployment pipeline.
Architecture Models:
Isolated Architecture:
Resources are deployed in isolated environments.
Ideal for applications requiring strict security and network isolation.
Example: Deploying an API Management service will automatically connect it to a dedicated VNet, ensuring isolation from other resources.
Semi-Isolated Architecture:
Balances between isolation and shared resources.
Suitable for applications that need some level of isolation but also share certain resources for cost-efficiency.
Example: Certain shared services might reside in a shared VNet or public internet, while critical services like databases might be isolated.
Standard Architecture:
Resources are deployed in a shared environment.
Best for applications with fewer security concerns or where cost-efficiency is a higher priority than isolation.
Example: All services might share the same VNet or be publicly accessible, facilitating easier management and lower costs.
Benefits of Using ADF:
- Consistency: Standardizes deployments across different environments.
- Modularity: Allows for reusable components and templates.
- Automation: Reduces manual intervention, lowering the risk of errors.
- Scalability: Facilitates large-scale deployments with minimal overhead.
Summary
The Azure Deployment Framework simplifies resource deployment in Azure by integrating YAML, Bicep, and PowerShell. By selecting the appropriate architecture (isolated, semi-isolated, or standard), organizations can ensure that resources are deployed according to their specific security, cost, and management requirements.