HashiCorp's Terraform is a wonderful tool to create and manage Infrastructure as Code (IaC). IaC is the modern approach to manage infrastructure and a key part of DevOps practice. The idea of IaC is to treat infrastructure in the same way as we treat an application/software. It should go through similar cycles of version control, continuous integration, review and testing. In this blog post, we'll use Terraform to create a simple, secure and scalable infrastructure for web servers in AWS. The following diagram shows the landscape that we are about to create using Terraform. Assumptions Since we are going to use AWS provider, we need to possess appropriate access credentials. So we must have a user with programmatic access and permissions to create/modify/delete AWS resources. The AdministratorAccess policy is a good start, however it provides full admin access which may not be appropriate in all cases. Download and install Terraform Downloading and ins...