No data migration. Ploomber Cloud runs on AWS, and can integrate with your existing infrastructure such as S3, GCS, RedShift and Athena.

Ploomber

yes, in functions, you can reference the upstream task with `upstream.first` so there is no need to hardcode the name, if the task has more than one dependency then you can iterate over it to extract the inputs paths: `[path for path in upstream.values()]` - this way there's no need to hardcode task names here's a full working example. Note that `upstream.first` only works in functions (not in scripts/notebooks), but iterating upstream as dictionary works in functions and scripts