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