This week I want to tell you about the design proposal for the workflow engine. I want to provide the lightweight way to handle business processes in durable, observable and resilient way. Check what I brewed and tell me your thoughts!

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A design proposal for a workflow engine built on event sourcing principles that provides durable execution for multi-step business processes. The engine uses event streams as both inbox and outbox for workflow instances, enabling natural recovery, observability, and testing. Unlike complex tools like Temporal, it follows familiar patterns with decide/evolve functions, making simple workflows easy to write while keeping advanced features available when needed.

Workflow Engine design proposal, tell me your thoughts

Background: Event Sourcing as Natural Solution