# REL13-BP04: Manage configuration drift

## Description

Keep DR environment synchronized với production.

## Implementation Guidance

- Use infrastructure as code
- Automate configuration deployment
- Monitor for drift
- Sync changes immediately
- Test after configuration updates

## Risk Level

Medium - Drift causes DR failures.

## Related Best Practices

- [REL13-BP03](REL13-BP03-Test-DR-Implementation.md)
- [REL08-BP04](../REL08-Change-Change-Management/REL08-BP04-Immutable-Infrastructure.md)
