output "vpc_id" {
  description = "ID of the VPC"
  value       = aws_vpc.this.id
}

output "public_subnet_ids" {
  description = "IDs of the public subnets (for ALB)"
  value       = aws_subnet.public[*].id
}

output "private_app_subnet_ids" {
  description = "IDs of the private app subnets (for EC2)"
  value       = aws_subnet.private_app[*].id
}

output "private_cache_subnet_ids" {
  description = "IDs of the private cache subnets (for ElastiCache)"
  value       = aws_subnet.private_cache[*].id
}

output "nat_gateway_id" {
  description = "ID of the NAT Gateway"
  value       = aws_nat_gateway.this.id
}