bitovi/github-actions-deploy-ollama ? reverse-engineered prompt

Build me a GitHub Action that deploys Ollama with an Open WebUI frontend to my AWS account on an EC2 instance.

I want to be able to push to main and have it spin everything up for me, then print the URL at the end so I can open the app right away. Please make it easy to pass in my AWS access key and secret from GitHub secrets, and let me choose which Ollama models get downloaded automatically. If possible, include an option to turn off signup, and support a custom domain with Route53 and a certificate.

It should feel like a simple one click private AI setup for my own account, using Docker on the server and handling the deployment steps for me. If you need to check the latest docs for Ollama, Open WebUI, or AWS setup details, go ahead and look them up.