Parth2496Singh/VELZION ? reverse-engineered prompt

Build me a web app called Velzion that lets a team connect their own AWS account and then create and manage preview environments for pull requests.

I want a simple dashboard where users can link an AWS role safely, choose an instance size and storage, then deploy an app into their own cloud without giving raw access keys. It should support automatic preview environments when a PR opens, destroy them when the PR closes, and let someone wake a sleeping preview from a PR comment. I also want a production mode for always on apps, plus live status and basic hardware telemetry so users can see CPU and memory usage while things are running.

Make the frontend clean and easy to use, the backend handle auth, state, and deployment requests, and include the workflow pieces needed to trigger AWS provisioning and teardown. Use Docker friendly setup, PostgreSQL for state, and make the whole thing feel like a polished self hosted DevOps control plane. If you need to, look up current docs online for the AWS and build tooling parts.