A generic (database) migration tool for Crystal.
- Works both with pure SQL as well as ORMs.
- Postgres, MySQL and Sqlite3 are supported out of the box.
- When rolling out to several machines in parallel, it ensures that your migrations will only be performed on one of the running processes, while the other ones will wait for the migrations to finish.
- Optionally, it exposes itself via command line arguments as part of your binary.
- Allows introducing new backends (Redis, MongoDB, file system or anything else that you might want to migrate automatically) with ease.
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