Learn CLOUDFORMATION with Real Code Examples

Split large templates into nested stacks

Minimize resource dependencies to speed deployment

Use stack sets for multi-account provisioning

Avoid unnecessary resource updates

Reuse templates and modules for efficiency

Follow least privilege IAM policies for stack roles

Secure sensitive data using Secrets Manager or SSM Parameter Store

Audit stack changes and events

Enable encryption for storage services

Avoid hardcoding secrets in templates

CloudFormation stack events

CloudWatch metrics for resources

Template drift detection

Change Set review logs

Stack resource creation/update/delete history

Validate templates before deployment

Use modular nested stacks for maintainability

Comment templates for clarity

Parameterize for flexibility

Follow AWS best practices for resource naming