# Official Sources: Azure Live ARM Deployment Stack Guard

## ARM and Bicep deployments

- https://learn.microsoft.com/en-us/azure/azure-resource-manager/templates/best-practices
- https://learn.microsoft.com/en-us/azure/azure-resource-manager/templates/deploy-what-if
- https://learn.microsoft.com/en-us/azure/azure-resource-manager/templates/rollback-on-error

## Deployment Stacks

- https://learn.microsoft.com/en-us/azure/azure-resource-manager/bicep/deployment-stacks
- https://learn.microsoft.com/en-us/azure/azure-resource-manager/bicep/deployment-stacks-scenarios

## Source-grounding rule

Use official Microsoft Learn documentation as source of truth for ARM and Bicep behavior.
Always verify what-if output against live resource state, not just template assumptions.
