Initial commit

terraform/main.tf

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+terraform {
+  required_version = ">= 1.0"
+  
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 5.0"
+    }
+  }
+
+  backend "s3" {
+    bucket         = "gregh-terraform-state"
+    key            = "cdn-gregh-dev/terraform.tfstate"
+    region         = "us-east-1"
+    encrypt        = true
+    use_lockfile   = true
+  }
+}
+
+provider "aws" {
+  region  = "us-east-1"
+  profile = "production"
+}
+
+# S3 bucket for CDN content
+resource "aws_s3_bucket" "cdn" {
+  bucket = "cdn.cloud.gregh.dev"
+
+  tags = {
+    Name        = "cdn.cloud.gregh.dev"
+    Environment = "production"
+  }
+}
+
+resource "aws_s3_bucket_public_access_block" "cdn" {
+  bucket = aws_s3_bucket.cdn.id
+
+  block_public_acls       = true
+  block_public_policy     = true
+  ignore_public_acls      = true
+  restrict_public_buckets = true
+}
+
+resource "aws_s3_bucket_versioning" "cdn" {
+  bucket = aws_s3_bucket.cdn.id
+
+  versioning_configuration {
+    status = "Enabled"
+  }
+}
+
+resource "aws_s3_bucket_cors_configuration" "cdn" {
+  bucket = aws_s3_bucket.cdn.id
+
+  cors_rule {
+    allowed_headers = ["*"]
+    allowed_methods = ["GET", "HEAD"]
+    allowed_origins = ["*"]
+    expose_headers  = ["ETag"]
+    max_age_seconds = 3000
+  }
+}
+
+# CloudFront Origin Access Control
+resource "aws_cloudfront_origin_access_control" "cdn" {
+  name                              = "cdn-gregh-dev-oac"
+  description                       = "OAC for cdn.cloud.gregh.dev"
+  origin_access_control_origin_type = "s3"
+  signing_behavior                  = "always"
+  signing_protocol                  = "sigv4"
+}
+
+# S3 bucket policy to allow CloudFront access
+resource "aws_s3_bucket_policy" "cdn" {
+  bucket = aws_s3_bucket.cdn.id
+
+  policy = jsonencode({
+    Version = "2012-10-17"
+    Statement = [
+      {
+        Sid    = "AllowCloudFrontServicePrincipal"
+        Effect = "Allow"
+        Principal = {
+          Service = "cloudfront.amazonaws.com"
+        }
+        Action   = "s3:GetObject"
+        Resource = "${aws_s3_bucket.cdn.arn}/*"
+        Condition = {
+          StringEquals = {
+            "AWS:SourceArn" = aws_cloudfront_distribution.cdn.arn
+          }
+        }
+      }
+    ]
+  })
+}
+
+# ACM Certificate for CloudFront
+resource "aws_acm_certificate" "cdn" {
+  domain_name       = "cdn.cloud.gregh.dev"
+  validation_method = "DNS"
+
+  lifecycle {
+    create_before_destroy = true
+  }
+
+  tags = {
+    Name = "cdn.cloud.gregh.dev"
+  }
+}
+
+# Data source for existing hosted zone
+data "aws_route53_zone" "main" {
+  name = "gregh.dev."
+}
+
+# Route53 records for ACM validation
+resource "aws_route53_record" "cert_validation" {
+  for_each = {
+    for dvo in aws_acm_certificate.cdn.domain_validation_options : dvo.domain_name => {
+      name   = dvo.resource_record_name
+      record = dvo.resource_record_value
+      type   = dvo.resource_record_type
+    }
+  }
+
+  allow_overwrite = true
+  name            = each.value.name
+  records         = [each.value.record]
+  ttl             = 60
+  type            = each.value.type
+  zone_id         = data.aws_route53_zone.main.zone_id
+}
+
+# ACM certificate validation
+resource "aws_acm_certificate_validation" "cdn" {
+  certificate_arn         = aws_acm_certificate.cdn.arn
+  validation_record_fqdns = [for record in aws_route53_record.cert_validation : record.fqdn]
+}
+
+# CloudFront distribution
+resource "aws_cloudfront_distribution" "cdn" {
+  enabled             = true
+  is_ipv6_enabled     = true
+  comment             = "cdn.cloud.gregh.dev content"
+  price_class         = "PriceClass_100"
+  aliases             = ["cdn.cloud.gregh.dev"]
+
+  origin {
+    domain_name              = aws_s3_bucket.cdn.bucket_regional_domain_name
+    origin_id                = "S3-cdn.cloud.gregh.dev"
+    origin_access_control_id = aws_cloudfront_origin_access_control.cdn.id
+  }
+
+  default_cache_behavior {
+    allowed_methods        = ["GET", "HEAD", "OPTIONS"]
+    cached_methods         = ["GET", "HEAD"]
+    target_origin_id       = "S3-cdn.cloud.gregh.dev"
+    viewer_protocol_policy = "redirect-to-https"
+    compress               = true
+
+    forwarded_values {
+      query_string = false
+      cookies {
+        forward = "none"
+      }
+    }
+
+    min_ttl     = 0
+    default_ttl = 86400
+    max_ttl     = 31536000
+  }
+
+  restrictions {
+    geo_restriction {
+      restriction_type = "none"
+    }
+  }
+
+  viewer_certificate {
+    acm_certificate_arn      = aws_acm_certificate.cdn.arn
+    ssl_support_method       = "sni-only"
+    minimum_protocol_version = "TLSv1.2_2021"
+  }
+
+  tags = {
+    Name        = "cdn.cloud.gregh.dev"
+    Environment = "production"
+  }
+}
+
+# Route53 A record for CDN subdomain
+resource "aws_route53_record" "cdn" {
+  zone_id = data.aws_route53_zone.main.zone_id
+  name    = "cdn.cloud.gregh.dev"
+  type    = "A"
+
+  alias {
+    name                   = aws_cloudfront_distribution.cdn.domain_name
+    zone_id                = aws_cloudfront_distribution.cdn.hosted_zone_id
+    evaluate_target_health = false
+  }
+}
+
+# Outputs
+output "s3_bucket_name" {
+  value = aws_s3_bucket.cdn.id
+}
+
+output "cloudfront_distribution_id" {
+  value = aws_cloudfront_distribution.cdn.id
+}
+
+output "cdn_url" {
+  value = "https://${aws_route53_record.cdn.name}"
+}