No matter how you like to participate in developer communities, Pulumi wants to meet you there. If you want to meet other Pulumi users to share use-cases and best practices, contribute code or documentation, see us at an event, or just tell a story about something cool you did with Pulumi, you are part of our community.

Pulumi Community

I suppose you mean the Spot EC2 Instance, right?
If that's the case, try setting `terminate_instances_with_expiration=True` on the Spot Fleet Request (if you are using that).