Ninety Lines of Terraform, One Whole AWS Network
How a single folder of config spins up a VPC, two subnets, a gateway, a firewall, and a running server — and the two small things that tripped me up. The AWS console and I have a complicated relationship. Every time I build a network by hand, I click through the same fifteen screens, forget one route table, and end up with a server that can't reach the internet for reasons I can't remember an…
A single Terraform configuration file orchestrates the creation of an entire AWS network, including a VPC, two subnets, an Internet gateway, a firewall, and a running server, all from scratch. This approach eliminates the need to manually navigate the AWS console and reduces the risk of human error, such as forgetting to set up route tables.
The configuration is organized into five resources and three subdirectories, each serving a specific purpose. The code is concise and easy to understand, with clear comments explaining the purpose of each resource. The project demonstrates the power of Terraform in automating infrastructure deployment and management, making it easier to reproduce and maintain networks across different environments.
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