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From billy-milligan
Provides strategies for zero-downtime deployments, expand-contract schema changes, database migrations, and framework migrations. Use when planning safe system migrations.
npx claudepluginhub rnavarych/alpha-engineer --plugin billy-milliganHow this skill is triggered — by the user, by Claude, or both
Slash command
/billy-milligan:migration-strategiesThis skill is limited to the following tools:
The summary Claude sees in its skill listing — used to decide when to auto-load this skill
- Planning zero-downtime schema changes or deployments
Guides safe database schema changes and code migrations with zero-downtime strategies including backfills, dual-writes, feature flags, and Strangler Fig pattern.
Safe schema migrations, backward compatibility, zero-downtime deployments, and rollback strategies.
Guides schema and data migrations across engines with tools like Flyway, Liquibase, Alembic, Prisma Migrate. Covers zero-downtime patterns (expand-contract), cross-engine (MySQL→PG), CDC (Debezium). Use for schema changes or DB migrations.
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references/zero-downtime-migration.md — blue-green, canary, rolling with rollback proceduresreferences/database-migration-patterns.md — expand-contract, schema versioning tools (Flyway, golang-migrate, Prisma), safe migration rulesreferences/data-migration-patterns.md — dual-write between databases, batch ETL with cursor pagination, migration validationreferences/framework-migration.md — strangler fig pattern: CRA→Next.js, Express→Fastify, REST→GraphQLreferences/incremental-migration.md — step-by-step migration rules, rollback plans, shadow mode, monitoring during migration