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.

Here is what I am after:

• Spin up a new AWS account that mirrors the existing one—same region settings, user roles, IAM policies, and any running resources—so I can test features without touching production.
• Establish a straightforward pipeline (AWS CodePipeline or GitHub Actions—whichever you find fastest) that pulls the repo on commit and pushes it to the new account.
• Configure Route 53, SSL/TLS, and all necessary DNS records so the app is reachable at the new domain.
• Prove everything works by running a sample deployment and handing me the credentials / keys in a secure hand-off.

Primary objective: development and testing, so I’m looking for speed and repeatability rather than ultra-tight hardening. If you’ve automated AWS duplication before, know your way around CloudFormation or Terraform, and can wire GitHub into a clean CI/CD flow, let’s talk.