• Removed hardcoded container_port/container_healthcheck from docker-compose.yml.j2
• Added container_port=8080 and container_healthcheck to vars/main.yml
• Rationale: current image listens on 8080; centralizes settings in vars
Ref: https://chatgpt.com/share/68b4a69d-e4b0-800f-a4f8-6c8e4fc55ee4