The docker-compose refactor moved port 5000:8080 to the override file.
Caddy on staging routes myai.easysoft.ro → localhost:5000, so the port
must be present in the deployment compose. Restoring it as WEB_PORT env var
(default 5000) and adding missing watchtower label.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>