Explains:
- How Dokploy manages ports vs docker-compose ports
- Why to use 'expose' instead of 'ports' in Dokploy
- Port conflict resolution
- SSL/HTTPS port flow (443 → 8080 internal)
- Recommended configurations for Dokploy vs manual deployment
This helps users understand why we use expose instead of ports mapping in docker-compose.yml when deploying to Dokploy.
