That should work fine in Pulumi. Pulumi just packages the lambda functions / layers and deploys them. You can do everything in that article via Pulumi.
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.