CloudFront: CDN Global de AWS

Amazon CloudFront es la red de distribucion de contenido (CDN) de AWS con 450+ puntos de presencia globales, incluyendo multiples en Latinoamerica. Reduce la latencia sirviendo contenido desde el edge location mas cercano al usuario.

# Terraform: CloudFront + S3 para sitio estatico
resource "aws_cloudfront_distribution" "website" {
  origin {
    domain_name = aws_s3_bucket.website.bucket_regional_domain_name
    origin_id   = "S3-website"
    origin_access_control_id = aws_cloudfront_origin_access_control.oac.id
  }

  enabled             = true
  default_root_object = "index.html"
  price_class         = "PriceClass_All"  # Incluye LATAM

  default_cache_behavior {
    allowed_methods        = ["GET", "HEAD"]
    cached_methods         = ["GET", "HEAD"]
    target_origin_id       = "S3-website"
    viewer_protocol_policy = "redirect-to-https"
    compress               = true
    
    cache_policy_id = "658327ea-f89d-4fab-a63d-7e88639e58f6"  # CachingOptimized
  }

  viewer_certificate {
    acm_certificate_arn = aws_acm_certificate.cert.arn
    ssl_support_method  = "sni-only"
  }
}

API Gateway: APIs REST y WebSocket

Amazon API Gateway permite crear, publicar y gestionar APIs a cualquier escala. Integra con Lambda para APIs completamente serverless.

# serverless.yml (Serverless Framework)
service: mi-api
provider:
  name: aws
  runtime: python3.11
  region: sa-east-1
  stage: production

functions:
  getUsers:
    handler: handlers.get_users
    events:
      - httpApi:
          path: /users
          method: GET
  createUser:
    handler: handlers.create_user
    events:
      - httpApi:
          path: /users
          method: POST

Con CloudFront y API Gateway, tus apps tienen performance global desde el dia uno.