Declarative
Describe what your database should look like in YAML. The tool figures out how to get there.
schema-flow
Define your PostgreSQL database in YAML. Diff against live state. Generate and execute minimal SQL to converge. No migration files. No up/down scripts. Just declare the end state.
Safe by default
Destructive operations blocked unless explicitly allowed. Advisory locking prevents concurrent runs.
Zero-downtime capable
NOT VALID constraints, CONCURRENTLY indexes, expand/contract column migrations.
Dual interface
Full CLI for operators. TypeScript API for programmatic use. Testing helpers for integration tests.