513-frameworks-micronaut-db-migrations-flyway

# Micronaut — Database migrations (Flyway) Apply Flyway migration guidelines for Micronaut. **What is covered in this Skill?** - `micronaut-flyway` with JDBC/Hikari and database drivers - Versioned SQL under `src/main/resources/db/migration` - `flyway.datasources.*` (per-datasource) configuration in YAML/properties - Tests with Testcontainers and real migration chains - Coordination with `@511-frameworks-micronaut-jdbc` and `@512-frameworks-micronaut-data` **Scope:** Apply recommendations based on the reference rules and good/bad examples. ## Constraints Before applying Flyway or SQL changes, ensure the project compiles. After improvements, run full verification. - **MANDATORY**: Run `./mvnw compile` or `mvn compile` before applying any change - **SAFETY**: If compilation fails, stop immediately - **VERIFY**: Run `./mvnw clean verify` or `mvn clean verify` after applying improvements - **BEFORE APPLYING**: Read the reference for detailed rules and good/bad patterns ## When to use this skill - Add or review Flyway migrations in a Micronaut project - Configure micronaut-flyway or db/migration layout ## Reference For detailed guidance, examples, and constraints, see [references/513-frameworks-micronaut-db-migrations-flyway.md](references/513-frameworks-micronaut-db-migrations-flyway.md).