aws-cloudformation-cloudfront

# AWS CloudFormation CloudFront CDN ## Overview Create production-ready CDN infrastructure using AWS CloudFormation templates. This skill covers CloudFront distributions, multiple origins (ALB, S3, API Gateway, Lambda@Edge, VPC Origins), CacheBehaviors, Functions, SecurityHeaders, and best practices for parameters, outputs, and cross-stack references. ## When to Use - Creating CloudFront distributions with CloudFormation - Configuring origins (ALB, S3, Lambda@Edge, VPC Origins) with path patterns - Implementing caching with CacheBehaviors and Cache Policies - Configuring custom domains with ACM and SecurityHeaders - Integrating WAF with CloudFront distributions ## Instructions Follow these steps to create CloudFront distributions with CloudFormation: ### 1. Define Distribution Parameters **Validate before deploying:** ```bash aws cloudformation validate-template --template-body file://template.yaml cfn-lint template.yaml ``` Specify domain names, ACM certificates, price class, and origin settings: ```yaml Parameters: DomainName: Type: String Default: cdn.example.com Description: Custom domain name for CloudFront distribution CertificateArn: Type: AWS::ACM::Certificate::Arn Description: ACM certificate ARN for HTTPS PriceClass: Type: String Default: PriceClass_All AllowedValues: - PriceClass_All - PriceClass_100 - PriceClass_200 Description: CloudFront price class OriginDomainName: Type: String ...