Ensures zero-downtime database migrations and safe schema changes for Ruby on Rails applications.
This skill provides a comprehensive framework for performing database migrations in Rails without risking application downtime or data corruption. It implements industry-standard best practices and specific patterns for AFAL applications, including concurrent index creation, multi-step column renames, and safe data backfilling. By integrating with tools like strong_migrations and enforcing strict DDL/data separation, it guides developers through complex operations like adding NOT NULL constraints, removing columns, and handling multi-tenant architectures safely in high-traffic environments.
主な機能
01Zero-downtime migration patterns for Rails 8+ environments
021 GitHub stars
03Throttled batch processing patterns for large-scale data migrations
04Integration with strong_migrations gem to catch unsafe DDL operations
05Concurrent index creation and asynchronous foreign key validation
06Safe multi-step deployment workflows for breaking schema changes
ユースケース
01Backfilling millions of rows using idempotent, batched data migrations
02Safely removing or renaming columns using multi-deploy ignore patterns
03Adding NOT NULL columns to high-traffic production tables without blocking writes
