GistPin/infrastructure/terraform/cloudfront.tf at main · ghzhost/GistPin · GitHub

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variable "domain_name" {
  description = "Custom domain name for CloudFront"
  type        = string
  default     = "gistpin.io"
}

resource "aws_cloudfront_distribution" "frontend" {
  enabled             = true
  is_ipv6_enabled     = true
  default_root_object = "index.html"
  aliases             = [var.domain_name]

  origin {
    domain_name = aws_s3_bucket.frontend.bucket_regional_domain_name
    origin_id   = "S3-frontend"

    s3_origin_config {
      origin_access_identity = aws_cloudfront_origin_access_identity.frontend.cloudfront_access_identity_path
    }
  }

  default_cache_behavior {
    allowed_methods        = ["GET", "HEAD"]
    cached_methods         = ["GET", "HEAD"]
    target_origin_id       = "S3-frontend"
    viewer_protocol_policy = "redirect-to-https"
    compress               = true

    forwarded_values {
      query_string = false
      cookies { forward = "none" }
    }

    min_ttl     = 0
    default_ttl = 3600
    max_ttl     = 86400
  }

  viewer_certificate {
    acm_certificate_arn      = aws_acm_certificate.frontend.arn
    ssl_support_method       = "sni-only"
    minimum_protocol_version = "TLSv1.2_2021"
  }

  restrictions {
    geo_restriction { restriction_type = "none" }
  }

  tags = { Environment = var.environment, Project = var.project_name }
}

resource "aws_cloudfront_origin_access_identity" "frontend" {
  comment = "OAI for ${var.project_name} frontend"
}

resource "aws_s3_bucket" "frontend" {
  bucket = "${var.project_name}-${var.environment}-frontend"
  tags   = { Environment = var.environment, Project = var.project_name }
}