Aws cloudfront cdn

Skill ulpi-io/plugin-marketplace/plugins/aj-geddes/skills/aws-cloudfront-cdn

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Install

npx -y skills add ulpi-io/plugin-marketplace --skill aws-cloudfront-cdn

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Distribute content globally using CloudFront with caching, security headers, WAF integration, and origin configuration. Use for low-latency content delivery.

SKILL.md

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Overview

Amazon CloudFront is a fast, globally distributed content delivery network (CDN). Cache content at edge locations worldwide to reduce latency, improve performance, and provide high availability with DDoS protection.

When to Use

Static website hosting and assets
API acceleration and dynamic content
Video and media streaming
Mobile application content
Large file downloads
Real-time data distribution
DDoS protection for origins
Origin isolation and security

Quick Start

Minimal working example:

# Create distribution for S3 origin
aws cloudfront create-distribution \
  --distribution-config '{
    "CallerReference": "myapp-'$(date +%s)'",
    "Enabled": true,
    "Comment": "My application distribution",
    "Origins": {
      "Quantity": 1,
      "Items": [{
        "Id": "myS3Origin",
        "DomainName": "mybucket.s3.us-east-1.amazonaws.com",
        "S3OriginConfig": {
          "OriginAccessIdentity": "origin-access-identity/cloudfront/ABCDEFG1234567"
        }
      }]
    },
    "DefaultCacheBehavior": {
      "AllowedMethods": {
        "Quantity": 3,
        "Items": ["GET", "HEAD", "OPTIONS"]
      },
      "ViewerProtocolPolicy": "redirect-to-https",
      "TargetOriginId": "myS3Origin",
      "ForwardedValues": {
        "QueryString": false,
// ... (see reference guides for full implementation)

Reference Guides

Detailed implementations in the references/ directory:

Guide	Contents
CloudFront Distribution with AWS CLI	CloudFront Distribution with AWS CLI
Terraform CloudFront Configuration	Terraform CloudFront Configuration
Custom Headers and Security Configuration	Custom Headers and Security Configuration

Best Practices

✅ DO

Use Origin Access Identity (OAI) for S3
Enable HTTPS only for viewers
Compress content at CloudFront
Set appropriate cache TTLs
Use cache invalidation cautiously
Enable WAF for protection
Monitor CloudWatch metrics
Use multiple origins for redundancy

❌ DON'T

Make S3 buckets public
Cache sensitive data
Use HTTP for production
Ignore cache headers
Create excessive invalidations
Skip WAF protection