AWS Account Clone & GitHub Deployment

I need a clean duplicate of my current AWS account so I can experiment safely in a separate development-and-testing space. Once the new account is online, I also want the application code that lives on GitHub deployed behind a fresh domain... (Budget: $30 - $250 USD, Jobs: Amazon Web Services, AWS Lambda, CI/CD, GitHub, Laravel, Linux, Node.js, PHP, React.js, Terraform)