AWS Private EC2 Operations Guide Part 2: Building VPC Infrastructure with Terraform — VPC/Subnet/Route Table/SG/ALB/EC2 in a Single main.tf
Turn the Part 1 architecture into real code. We build a 10.0.0.0/16 VPC, 2AZ Public/Private subnets, IGW/NAT Gateway, the SG-references-SG pattern, and ALB + EC2 — all in one main.tf that comes up with a single terraform apply.
