Backend Migrations

When to use this skill:

• When creating new database migration files
• When modifying existing database schemas (adding/removing tables or columns)
• When working on migration files (migrations/.ts, migrations/.sql, *_migration.py)
• When adding or modifying database indexes for performance
• When performing data migrations or transformations
• When implementing rollback/down methods for migrations
• When ensuring zero-downtime deployment strategies
• When managing schema versioning and migration order
• When separating schema changes from data migrations
• When working with Prisma migrate, Supabase migrations, or Entity Framework migrations
• When creating indexes on large PostgreSQL tables using concurrent options
• When planning backwards-compatible schema changes for high-availability systems

This Skill provides Claude Code with specific guidance on how to adhere to coding standards as they relate to how it should handle backend migrations.

Instructions

For details, refer to the information provided in this file: backend migrations