Migration Documentation

This directory contains documentation for data migrations, system upgrades, and transition procedures for the vertical-farm application.

Contents

Migration Plans

• plan.md - Comprehensive migration strategy and procedures

Migration Types

• database/ - Database schema migrations and data transfers
• system/ - System and infrastructure migrations
• data/ - Data migration procedures and validation

Migration Overview

The vertical-farm application supports various migration scenarios: - Database schema updates - Data format changes - System architecture transitions - Infrastructure upgrades - Third-party service migrations

Migration Principles

1. Zero Downtime - Minimize service interruption
2. Data Integrity - Ensure data consistency and accuracy
3. Rollback Capability - Ability to revert changes if needed
4. Validation - Comprehensive testing before and after migration
5. Documentation - Detailed records of all changes

Migration Process

1. Planning Phase
2. Impact assessment
3. Risk analysis
4. Timeline development

5. Resource allocation

6. Preparation Phase

7. Backup creation
8. Test environment setup
9. Migration script development

10. Validation procedures

11. Execution Phase

12. Pre-migration checks
13. Migration execution
14. Real-time monitoring

15. Post-migration validation

16. Verification Phase

17. Data integrity checks
18. Performance validation
19. User acceptance testing
20. Documentation updates

Quick Start

1. Review plan.md for migration procedures
2. Check specific migration types in subdirectories
3. Follow validation procedures for data integrity

Rollback Procedures

All migrations include rollback procedures: - Automated rollback scripts - Data restoration procedures - Service recovery steps - Communication protocols

Related Documentation

• For database schema, see ../architecture/database-schema.md
• For deployment procedures, see ../deployment/
• For testing migrations, see ../testing/
• For security considerations, see ../security/

Maintenance

Update migration documentation when: - New migration procedures are developed - Migration tools are updated - Rollback procedures change - Validation requirements are modified