Developer builds reusable AWS EventBridge scheduling primitive for deferred workflows

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A developer building automated workflows for the Ready, Set, Cloud platform needed a simpler way to schedule deferred events without relying on AWS Step Functions Wait states. The solution involved placing an EventBridge Scheduler behind an EventBridge rule, allowing any service that can call PutEvents to request a delayed event at a specified time. A Lambda function was added as an intermediary to upsert schedules, validate payloads, and handle cases where the scheduled time has already passed. The approach was integrated into a shared platform repository, making the scheduling primitive reusable across multiple applications in the same AWS account. The developer noted that while the Lambda layer adds complexity, the tradeoff enables a more flexible and maintainable scheduling experience across their entire app ecosystem.

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