Backend Migrations

This Skill provides Claude Code with specific guidance on how to adhere to coding standards for database migrations and schema versioning.

When to use this skill

• When creating new database migration files for schema changes
• When working with migration files (.ts, .js, .py, .sql) in migrations directories
• When altering table structures (adding/removing columns, changing types)
• When creating or modifying database indexes on tables
• When implementing data migrations or backfilling existing data
• When writing reversible migration rollback methods (down/rollback functions)
• When handling zero-downtime deployments with backwards-compatible schema changes
• When separating schema changes from data transformations
• When using migration tools (TypeORM, Sequelize, Alembic, Rails Active Record, Flyway, Liquibase)
• When managing database version control and migration history

Instructions

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