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kryczkalkryczkal
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Added frontend deploy (#64)
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‎scripts/actions/deploy_frontend.bash‎

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#!/usr/bin/env bash
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set -euo pipefail
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SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
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PROJECT_ROOT=$(cd "$SCRIPT_DIR/../.." && pwd)
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source "$SCRIPT_DIR/../utils/print.bash"
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TF_DIR="$PROJECT_ROOT/terraform/main"
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FRONTEND_DIR="$PROJECT_ROOT/frontend"
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gen_separator '='
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pretty_info "Starting Frontend Deployment to AWS"
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gen_separator '='
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# 1. Fetch required values from Terraform state
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pretty_info "Fetching deployment configuration from Terraform..."
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FRONTEND_URL=$(terraform -chdir="$TF_DIR" output -raw frontend_url)
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S3_BUCKET=$(terraform -chdir="$TF_DIR" output -raw frontend_s3_bucket_name)
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CLOUDFRONT_ID=$(terraform -chdir="$TF_DIR" output -raw frontend_cloudfront_distribution_id)
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if [[ -z "$FRONTEND_URL" || -z "$S3_BUCKET" || -z "$CLOUDFRONT_ID" ]]; then
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pretty_error "Failed to retrieve necessary deployment values from Terraform."
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pretty_error "Ensure Terraform has been applied successfully in '$TF_DIR'."
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exit 1
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fi
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API_BASE_URL="${FRONTEND_URL}/api"
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pretty_success "Configuration loaded:"
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pretty_clean " > API URL for build: $API_BASE_URL"
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pretty_clean " > S3 Bucket: $S3_BUCKET"
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pretty_clean " > CloudFront ID: $CLOUDFRONT_ID"
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# 2. Build the Flutter web application
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gen_separator
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pretty_info "Building Flutter web application with API base: $API_BASE_URL"
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gen_separator
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cd "$FRONTEND_DIR"
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if ! flutter build web --dart-define=API_BASE_URL="$API_BASE_URL"; then
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pretty_error "Flutter build failed."
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exit 1
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fi
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pretty_success "Flutter web application built successfully."
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# 3. Synchronize build output with S3
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gen_separator
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pretty_info "Uploading built files to S3 bucket: $S3_BUCKET"
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gen_separator
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BUILD_DIR="$FRONTEND_DIR/build/web"
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if ! aws s3 sync "$BUILD_DIR" "s3://$S3_BUCKET" --delete --acl private; then
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pretty_error "S3 sync failed."
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exit 1
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fi
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pretty_success "Files successfully uploaded to S3."
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# 4. Invalidate the CloudFront cache
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gen_separator
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pretty_info "Invalidating CloudFront cache to deploy changes..."
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gen_separator
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if ! aws cloudfront create-invalidation --distribution-id "$CLOUDFRONT_ID" --paths "/*"; then
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pretty_error "CloudFront invalidation failed."
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pretty_warn "Changes may take some time to appear."
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exit 1
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fi
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pretty_success "CloudFront invalidation created successfully."
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gen_separator '='
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pretty_success "Frontend deployment complete!"
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pretty_info "Your application is available at: $FRONTEND_URL"
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gen_separator '='

‎terraform/main/main.tf‎

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@@ -153,3 +153,10 @@ resource "null_resource" "db_initializer" {
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EOT
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}
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}
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# Frontend Hosting
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module "frontend_hosting" {
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source = "../modules/frontend_hosting"
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project_name = var.project_name
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api_base_url = module.ecs_cluster.alb_dns_name
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}

‎terraform/main/outputs.tf‎

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description = "The project name used for all resources"
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value = var.project_name
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}
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output "frontend_url" {
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description = "Public URL for the frontend application"
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value = "https://${module.frontend_hosting.cloudfront_domain_name}"
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}
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output "frontend_s3_bucket_name" {
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description = "Name of the S3 bucket for the frontend files"
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value = module.frontend_hosting.s3_bucket_name
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}
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output "frontend_cloudfront_distribution_id" {
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description = "ID of the CloudFront distribution for the frontend"
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value = module.frontend_hosting.cloudfront_distribution_id
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}

‎terraform/modules/frontend_hosting/main.tf‎

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resource "aws_s3_bucket" "frontend" {
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bucket = "${var.project_name}-frontend-hosting"
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}
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resource "aws_s3_bucket_website_configuration" "frontend" {
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bucket = aws_s3_bucket.frontend.id
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index_document {
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suffix = "index.html"
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}
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error_document {
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key = "index.html"
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}
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}
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resource "aws_s3_bucket_public_access_block" "frontend" {
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bucket = aws_s3_bucket.frontend.id
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block_public_acls = true
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block_public_policy = true
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ignore_public_acls = true
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restrict_public_buckets = true
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}
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resource "aws_cloudfront_origin_access_control" "this" {
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name = "${var.project_name}-s3-oac"
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description = "Origin Access Control for S3"
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origin_access_control_origin_type = "s3"
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signing_behavior = "always"
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signing_protocol = "sigv4"
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}
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resource "aws_s3_bucket_policy" "frontend" {
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bucket = aws_s3_bucket.frontend.id
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policy = jsonencode({
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Version = "2012-10-17"
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Statement = [
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{
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Effect = "Allow"
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Principal = { Service = "cloudfront.amazonaws.com" }
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Action = "s3:GetObject"
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Resource = "${aws_s3_bucket.frontend.arn}/*"
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Condition = {
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StringEquals = {
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"AWS:SourceArn" = aws_cloudfront_distribution.this.arn
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}
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}
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}
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]
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})
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}
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resource "aws_cloudfront_distribution" "this" {
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enabled = true
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is_ipv6_enabled = true
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comment = "Frontend for ${var.project_name}"
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default_root_object = "index.html"
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origin {
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domain_name = aws_s3_bucket.frontend.bucket_regional_domain_name
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origin_id = "S3-${aws_s3_bucket.frontend.id}"
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origin_access_control_id = aws_cloudfront_origin_access_control.this.id
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}
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origin {
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domain_name = var.api_base_url
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origin_id = "ALB-${var.project_name}"
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custom_origin_config {
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http_port = 80
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https_port = 443
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origin_protocol_policy = "http-only"
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origin_ssl_protocols = ["TLSv1.2"]
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origin_read_timeout = 30
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origin_keepalive_timeout = 5
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}
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}
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default_cache_behavior {
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allowed_methods = ["GET", "HEAD", "OPTIONS"]
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cached_methods = ["GET", "HEAD", "OPTIONS"]
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target_origin_id = "S3-${aws_s3_bucket.frontend.id}"
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forwarded_values {
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query_string = false
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headers = ["Origin"]
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cookies {
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forward = "none"
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}
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}
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viewer_protocol_policy = "redirect-to-https"
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min_ttl = 0
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default_ttl = 3600
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max_ttl = 86400
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}
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ordered_cache_behavior {
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path_pattern = "/api/*"
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allowed_methods = ["GET", "HEAD", "OPTIONS", "PUT", "POST", "PATCH", "DELETE"]
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cached_methods = ["GET", "HEAD", "OPTIONS"]
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target_origin_id = "ALB-${var.project_name}"
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viewer_protocol_policy = "redirect-to-https"
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min_ttl = 0
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default_ttl = 0
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max_ttl = 0
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forwarded_values {
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query_string = true
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headers = ["*"]
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cookies {
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forward = "all"
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}
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}
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}
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restrictions {
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geo_restriction {
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restriction_type = "none"
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}
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}
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viewer_certificate {
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cloudfront_default_certificate = true
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}
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tags = {
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Project = var.project_name
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Environment = "frontend"
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}
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}

‎terraform/modules/frontend_hosting/outputs.tf‎

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output "s3_bucket_name" {
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description = "The name of the S3 bucket for the frontend static files."
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value = aws_s3_bucket.frontend.id
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}
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output "cloudfront_distribution_id" {
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description = "The ID of the CloudFront distribution."
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value = aws_cloudfront_distribution.this.id
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}
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output "cloudfront_domain_name" {
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description = "The domain name of the CloudFront distribution."
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value = aws_cloudfront_distribution.this.domain_name
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}

‎terraform/modules/frontend_hosting/variables.tf‎

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variable "project_name" {
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type = string
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description = "Global project identifier"
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}
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variable "api_base_url" {
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type = string
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description = "The DNS name of the backend Application Load Balancer, used to route API requests."
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}

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