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641data "aws_caller_identity" "current" {}
locals {
frontend_domain = var.domain_name != null ? "app.${var.domain_name}" : null
api_domain = var.domain_name != null ? "api.${var.domain_name}" : null
graphql_domain = var.domain_name != null ? "graphql.${var.domain_name}" : null
use_custom_domains = var.domain_name != null && var.route53_zone_id != null
artifacts_dir = "${path.module}/artifacts"
# Predicted (not referenced-from-resource) name/ARN for the backend Lambda —
# see modules/cognito/variables.tf's backend_lambda_predicted_arn for why.
backend_lambda_name = "${var.project_name}-${var.environment}-api"
backend_lambda_predicted_arn = "arn:aws:lambda:${var.aws_region}:${data.aws_caller_identity.current.account_id}:function:${local.backend_lambda_name}"
}
# =============================================================================
# Networking
# =============================================================================
module "networking" {
source = "./modules/networking"
project_name = var.project_name
environment = var.environment
vpc_cidr = var.vpc_cidr
single_nat_gateway = var.single_nat_gateway
}
# =============================================================================
# Secrets
# =============================================================================
module "secrets" {
source = "./modules/secrets"
project_name = var.project_name
environment = var.environment
sso_enabled = var.sso_enabled
}
data "aws_secretsmanager_secret_version" "sso_config" {
count = var.sso_enabled ? 1 : 0
secret_id = module.secrets.sso_config_secret_arn
depends_on = [module.secrets]
}
locals {
sso_config = var.sso_enabled ? jsondecode(data.aws_secretsmanager_secret_version.sso_config[0].secret_string) : null
}
# =============================================================================
# RDS
# =============================================================================
module "rds" {
source = "./modules/rds"
project_name = var.project_name
environment = var.environment
vpc_id = module.networking.vpc_id
private_subnet_ids = module.networking.private_subnet_ids
security_group_id = module.networking.rds_security_group_id
db_name = var.db_name
db_username = var.db_username
db_password = module.secrets.db_password
instance_class = var.db_instance_class
allocated_storage = var.db_allocated_storage
multi_az = var.db_multi_az
deletion_protection = var.db_deletion_protection
skip_final_snapshot = var.db_skip_final_snapshot
}
# SSM-only bastion: no SSH key, no public IP, no inbound rules — a relay for
# scripts/deploy-app.sh's one-off DB access (schema load, migrations) to the
# otherwise fully private RDS instance. See infrastructure/README.md.
module "bastion" {
source = "./modules/bastion"
project_name = var.project_name
environment = var.environment
subnet_id = module.networking.private_subnet_ids[0]
security_group_id = module.networking.bastion_security_group_id
instance_type = var.bastion_instance_type
}
# =============================================================================
# Cognito
# =============================================================================
module "cognito" {
source = "./modules/cognito"
project_name = var.project_name
environment = var.environment
cognito_domain_prefix = var.cognito_domain_prefix
callback_urls = [local.use_custom_domains ? "https://${local.frontend_domain}" : "https://${module.frontend_hosting.distribution_domain_name}"]
logout_urls = [local.use_custom_domains ? "https://${local.frontend_domain}" : "https://${module.frontend_hosting.distribution_domain_name}"]
backend_lambda_function_name = module.lambda_backend.function_name
backend_lambda_predicted_arn = local.backend_lambda_predicted_arn
}
# =============================================================================
# SQS
# =============================================================================
module "sqs" {
source = "./modules/sqs"
project_name = var.project_name
environment = var.environment
}
# =============================================================================
# Custom domain certs + DNS (only when domain_name + route53_zone_id are set)
# =============================================================================
resource "aws_acm_certificate" "frontend" {
count = local.use_custom_domains ? 1 : 0
provider = aws.us_east_1
domain_name = local.frontend_domain
validation_method = "DNS"
lifecycle {
create_before_destroy = true
}
}
resource "aws_route53_record" "frontend_cert_validation" {
for_each = local.use_custom_domains ? {
for dvo in aws_acm_certificate.frontend[0].domain_validation_options : dvo.domain_name => {
name = dvo.resource_record_name
type = dvo.resource_record_type
record = dvo.resource_record_value
}
} : {}
zone_id = var.route53_zone_id
name = each.value.name
type = each.value.type
records = [each.value.record]
ttl = 60
allow_overwrite = true
}
resource "aws_acm_certificate_validation" "frontend" {
count = local.use_custom_domains ? 1 : 0
provider = aws.us_east_1
certificate_arn = aws_acm_certificate.frontend[0].arn
validation_record_fqdns = [for r in aws_route53_record.frontend_cert_validation : r.fqdn]
}
resource "aws_acm_certificate" "api" {
count = local.use_custom_domains ? 1 : 0
domain_name = local.api_domain
validation_method = "DNS"
lifecycle {
create_before_destroy = true
}
}
resource "aws_route53_record" "api_cert_validation" {
for_each = local.use_custom_domains ? {
for dvo in aws_acm_certificate.api[0].domain_validation_options : dvo.domain_name => {
name = dvo.resource_record_name
type = dvo.resource_record_type
record = dvo.resource_record_value
}
} : {}
zone_id = var.route53_zone_id
name = each.value.name
type = each.value.type
records = [each.value.record]
ttl = 60
allow_overwrite = true
}
resource "aws_acm_certificate_validation" "api" {
count = local.use_custom_domains ? 1 : 0
certificate_arn = aws_acm_certificate.api[0].arn
validation_record_fqdns = [for r in aws_route53_record.api_cert_validation : r.fqdn]
}
resource "aws_acm_certificate" "graphql" {
count = local.use_custom_domains ? 1 : 0
domain_name = local.graphql_domain
validation_method = "DNS"
lifecycle {
create_before_destroy = true
}
}
resource "aws_route53_record" "graphql_cert_validation" {
for_each = local.use_custom_domains ? {
for dvo in aws_acm_certificate.graphql[0].domain_validation_options : dvo.domain_name => {
name = dvo.resource_record_name
type = dvo.resource_record_type
record = dvo.resource_record_value
}
} : {}
zone_id = var.route53_zone_id
name = each.value.name
type = each.value.type
records = [each.value.record]
ttl = 60
allow_overwrite = true
}
resource "aws_acm_certificate_validation" "graphql" {
count = local.use_custom_domains ? 1 : 0
certificate_arn = aws_acm_certificate.graphql[0].arn
validation_record_fqdns = [for r in aws_route53_record.graphql_cert_validation : r.fqdn]
}
# =============================================================================
# Deploy artifacts
# =============================================================================
# Transit bucket for scripts/deploy-app.sh: some deploy artifacts (e.g. the
# @sparticuz/chromium Lambda layer) exceed the ~70MB direct-upload limit for
# PublishLayerVersion/UpdateFunctionCode and must be staged in S3 instead of
# uploaded inline. Lambda copies the content internally once published, so
# nothing here needs to persist — force_destroy + a short expiration are
# both safe.
resource "aws_s3_bucket" "deploy_artifacts" {
bucket = "${var.project_name}-${var.environment}-deploy-artifacts"
force_destroy = true
}
resource "aws_s3_bucket_public_access_block" "deploy_artifacts" {
bucket = aws_s3_bucket.deploy_artifacts.id
block_public_acls = true
block_public_policy = true
ignore_public_acls = true
restrict_public_buckets = true
}
resource "aws_s3_bucket_server_side_encryption_configuration" "deploy_artifacts" {
bucket = aws_s3_bucket.deploy_artifacts.id
rule {
apply_server_side_encryption_by_default {
sse_algorithm = "AES256"
}
}
}
resource "aws_s3_bucket_lifecycle_configuration" "deploy_artifacts" {
bucket = aws_s3_bucket.deploy_artifacts.id
rule {
id = "expire-after-1-day"
status = "Enabled"
filter {}
expiration {
days = 1
}
}
}
# =============================================================================
# Lambda functions
# =============================================================================
module "lambda_scan_sqs_router" {
source = "./modules/lambda_function"
function_name = "${var.project_name}-${var.environment}-scan-sqs-router"
description = "Routes scan requests from the backend into the scanHtml/scanPdf FIFO queues."
runtime = "nodejs22.x"
handler = "lambda.handler"
artifact_path = "${local.artifacts_dir}/node-stub.zip"
memory_size = 256
timeout = 30
environment_variables = {
SQS_HTML_QUEUE_URL = module.sqs.scan_html_queue_url
SQS_PDF_QUEUE_URL = module.sqs.scan_pdf_queue_url
POWERTOOLS_METRICS_NAMESPACE = "${var.project_name}${var.environment}"
}
additional_policy_statements = [
{
sid = "SendToScanQueues"
actions = ["sqs:SendMessage"]
resources = [module.sqs.scan_html_queue_arn, module.sqs.scan_pdf_queue_arn]
}
]
}
module "lambda_scan_html" {
source = "./modules/lambda_function"
function_name = "${var.project_name}-${var.environment}-scan-html"
description = "Scans an HTML page with headless Chromium + axe-core."
runtime = "nodejs22.x"
handler = "lambda.handler"
artifact_path = "${local.artifacts_dir}/node-stub.zip"
memory_size = var.scan_lambda_memory_size
timeout = var.scan_lambda_timeout
environment_variables = {
SCAN_WEBHOOK_URL = local.use_custom_domains ? "https://${local.api_domain}/public/scanWebhook" : "${module.api_gateway.api_endpoint}/public/scanWebhook"
POWERTOOLS_METRICS_NAMESPACE = "${var.project_name}${var.environment}"
}
sqs_event_source = {
queue_arn = module.sqs.scan_html_queue_arn
batch_size = 5
}
}
module "lambda_verapdf_interface" {
source = "./modules/lambda_function"
function_name = "${var.project_name}-${var.environment}-verapdf-interface"
description = "Validates PDFs against veraPDF (PDF/UA) rules. Invoked synchronously by scan-pdf."
runtime = "java17"
handler = "com.equalifyuic.app.handler"
artifact_path = "${local.artifacts_dir}/java-stub.jar"
memory_size = 1024
timeout = 60
}
module "lambda_scan_pdf" {
source = "./modules/lambda_function"
function_name = "${var.project_name}-${var.environment}-scan-pdf"
description = "Scans a PDF: HTML accessibility checks + veraPDF validation via verapdf-interface."
runtime = "nodejs22.x"
handler = "lambda.handler"
artifact_path = "${local.artifacts_dir}/node-stub.zip"
memory_size = var.scan_lambda_memory_size
timeout = var.scan_lambda_timeout
environment_variables = {
SCAN_WEBHOOK_URL = local.use_custom_domains ? "https://${local.api_domain}/public/scanWebhook" : "${module.api_gateway.api_endpoint}/public/scanWebhook"
VERAPDF_FUNCTION_NAME = module.lambda_verapdf_interface.function_name
POWERTOOLS_METRICS_NAMESPACE = "${var.project_name}${var.environment}"
}
sqs_event_source = {
queue_arn = module.sqs.scan_pdf_queue_arn
batch_size = 5
}
additional_policy_statements = [
{
sid = "InvokeVerapdfInterface"
actions = ["lambda:InvokeFunction"]
resources = [module.lambda_verapdf_interface.function_arn]
}
]
}
module "lambda_crawler" {
source = "./modules/lambda_function"
function_name = "${var.project_name}-${var.environment}-crawler"
description = "Sitemap discovery for a given URL, called directly from the frontend via a Function URL."
runtime = "nodejs22.x"
handler = "lambda.handler"
artifact_path = "${local.artifacts_dir}/node-stub.zip"
memory_size = 256
timeout = 30
create_function_url = true
function_url_cors = {
allow_origins = local.use_custom_domains ? ["https://${local.frontend_domain}"] : ["*"]
allow_methods = ["POST"]
allow_headers = ["content-type"]
}
}
module "lambda_backend" {
source = "./modules/lambda_function"
function_name = local.backend_lambda_name
description = "Equalify backend API (apps/backend) — auth, scans orchestration, GraphQL passthrough."
runtime = "nodejs22.x"
handler = "index.handler"
artifact_path = "${local.artifacts_dir}/node-stub.zip"
memory_size = var.backend_lambda_memory_size
timeout = var.backend_lambda_timeout
vpc_config = {
subnet_ids = module.networking.private_subnet_ids
security_group_ids = [module.networking.backend_lambda_security_group_id]
}
environment_variables = merge(
{
DB_USER = var.db_username
DB_HOST = module.rds.address
DB_NAME = module.rds.db_name
DB_PASSWORD = module.secrets.db_password
# apps/backend/utils/graphqlQuery.ts appends /v1/graphql itself (its
# own fallback default is the bare "https://graphql...equalifyapp.com",
# no path) — same bare-domain convention as the frontend's
# VITE_GRAPHQL_URL, so trim it back off graphql_url the same way.
GRAPHQL_URL = trimsuffix(local.use_custom_domains ? "https://${local.graphql_domain}/v1/graphql" : module.hasura_ecs.graphql_url, "/v1/graphql")
USER_POOL_ID = module.cognito.user_pool_id
WEB_CLIENT_ID = module.cognito.web_client_id
SSO_ENABLED = var.sso_enabled ? "1" : "0"
SES_ADMIN_EMAIL = var.ses_admin_email
SQS_ROUTER_FUNCTION_NAME = module.lambda_scan_sqs_router.function_name
CRAWLER_FUNCTION_NAME = module.lambda_crawler.function_name
POWERTOOLS_METRICS_NAMESPACE = "${var.project_name}${var.environment}"
APP_URL = var.app_url != null ? var.app_url : (local.use_custom_domains ? "https://${local.frontend_domain}" : "https://${module.frontend_hosting.distribution_domain_name}")
BRAND_URL = var.brand_url
BRAND_LOGO_URL = var.brand_logo_url
WEBHOOKSECRET = module.secrets.webhook_secret
STAGING = var.environment == "staging" ? "1" : "0"
},
var.sso_enabled ? {
SSO_JWKS = local.sso_config.SSO_JWKS
SSO_CLIENT_ID = local.sso_config.SSO_CLIENT_ID
SSO_TENANT = local.sso_config.SSO_TENANT
SSO_EMAIL_DOMAINS = local.sso_config.SSO_EMAIL_DOMAINS
} : {}
)
additional_policy_statements = [
{
sid = "BedrockInvoke"
actions = ["bedrock:InvokeModel", "bedrock:ListFoundationModels"]
resources = ["*"]
},
{
sid = "SesSendEmail"
actions = ["ses:SendEmail", "ses:SendRawEmail"]
resources = ["*"]
},
{
sid = "CognitoAdmin"
actions = [
"cognito-idp:AdminCreateUser",
"cognito-idp:AdminSetUserPassword",
"cognito-idp:AdminGetUser",
"cognito-idp:AdminUpdateUserAttributes",
"cognito-idp:AdminDeleteUser",
"cognito-idp:AdminInitiateAuth",
"cognito-idp:ListUsers",
]
resources = [module.cognito.user_pool_arn]
},
{
sid = "InvokeScanSqsRouter"
actions = ["lambda:InvokeFunction"]
resources = [module.lambda_scan_sqs_router.function_arn]
},
{
# crawlUrl.ts invokes this synchronously to discover URLs from a
# site's sitemap for the /audits/build flow.
sid = "InvokeCrawler"
actions = ["lambda:InvokeFunction"]
resources = [module.lambda_crawler.function_arn]
},
{
sid = "PutMetrics"
actions = ["cloudwatch:PutMetricData"]
resources = ["*"]
},
{
# getSystemStats.ts reads back scan-duration/count metrics for the
# admin System tab — PutMetrics above only covers the Lambdas
# publishing their own metrics, not this Lambda reading them back.
sid = "ReadMetrics"
actions = ["cloudwatch:GetMetricStatistics"]
resources = ["*"]
},
]
}
# =============================================================================
# API Gateway (HTTP API) — fronts the backend Lambda
# =============================================================================
module "api_gateway" {
source = "./modules/api_gateway"
project_name = var.project_name
environment = var.environment
backend_lambda_function_name = module.lambda_backend.function_name
backend_lambda_invoke_arn = module.lambda_backend.invoke_arn
domain_name = local.use_custom_domains ? local.api_domain : null
acm_certificate_arn = local.use_custom_domains ? aws_acm_certificate_validation.api[0].certificate_arn : null
}
resource "aws_route53_record" "api" {
count = local.use_custom_domains ? 1 : 0
zone_id = var.route53_zone_id
name = local.api_domain
type = "A"
alias {
name = module.api_gateway.custom_domain_target
zone_id = module.api_gateway.custom_domain_hosted_zone_id
evaluate_target_health = false
}
}
# =============================================================================
# Hasura (ECS Fargate)
# =============================================================================
module "hasura_ecs" {
source = "./modules/hasura_ecs"
project_name = var.project_name
environment = var.environment
vpc_id = module.networking.vpc_id
public_subnet_ids = module.networking.public_subnet_ids
private_subnet_ids = module.networking.private_subnet_ids
alb_security_group_id = module.networking.alb_security_group_id
task_security_group_id = module.networking.hasura_task_security_group_id
hasura_image = var.hasura_image
database_url = "postgresql://${var.db_username}:${module.secrets.db_password}@${module.rds.address}:${module.rds.port}/${module.rds.db_name}"
admin_secret = module.secrets.hasura_admin_secret
aws_region = var.aws_region
user_pool_id = module.cognito.user_pool_id
web_client_id = module.cognito.web_client_id
cpu = var.hasura_cpu
memory = var.hasura_memory
desired_count = var.hasura_desired_count
domain_name = local.use_custom_domains ? local.graphql_domain : null
acm_certificate_arn = local.use_custom_domains ? aws_acm_certificate_validation.graphql[0].certificate_arn : null
cors_allowed_origins = local.use_custom_domains ? "https://${local.frontend_domain}" : "*"
}
resource "aws_route53_record" "graphql" {
count = local.use_custom_domains ? 1 : 0
zone_id = var.route53_zone_id
name = local.graphql_domain
type = "A"
alias {
name = module.hasura_ecs.alb_dns_name
zone_id = module.hasura_ecs.alb_zone_id
evaluate_target_health = true
}
}
# =============================================================================
# Frontend hosting (S3 + CloudFront)
# =============================================================================
module "frontend_hosting" {
source = "./modules/frontend_hosting"
project_name = var.project_name
environment = var.environment
domain_name = local.use_custom_domains ? local.frontend_domain : null
acm_certificate_arn = local.use_custom_domains ? aws_acm_certificate_validation.frontend[0].certificate_arn : null
}
resource "aws_route53_record" "frontend" {
count = local.use_custom_domains ? 1 : 0
zone_id = var.route53_zone_id
name = local.frontend_domain
type = "A"
alias {
name = module.frontend_hosting.distribution_domain_name
zone_id = "Z2FDTNDATAQYW2" # CloudFront's fixed global hosted zone ID
evaluate_target_health = false
}
}
# =============================================================================
# Monitoring
# =============================================================================
module "monitoring" {
source = "./modules/monitoring"
project_name = var.project_name
environment = var.environment
alarm_email = var.alarm_email
lambda_function_names = [
module.lambda_scan_sqs_router.function_name,
module.lambda_scan_html.function_name,
module.lambda_scan_pdf.function_name,
module.lambda_verapdf_interface.function_name,
module.lambda_crawler.function_name,
module.lambda_backend.function_name,
]
rds_instance_id = module.rds.db_instance_id
alb_arn_suffix = module.hasura_ecs.alb_arn_suffix
target_group_arn_suffix = module.hasura_ecs.target_group_arn_suffix
ecs_cluster_name = module.hasura_ecs.cluster_name
ecs_service_name = module.hasura_ecs.service_name
}