EU alternative · AWS Step Functions

European alternative to AWS Step Functions

A workflow is a named entry under resources.workflows with steps you write. A step can call a function, a worker, or pause on a human step until a person accepts. A Step Functions state machine is not imported.

Approval Workflows stack.json IaC

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What you declare for a workflow

The entry needs a name and a list of steps. A step id is unique in that workflow. A step can name a function or a worker, or it can set human.title and wait. Triggers can start a run from a cron or a table change. kernstack plan shows the steps before a run can use them.

The workflow lives in the same project as the function it calls. A person who must accept a step sees that step by the title you wrote. The run continues after they accept. It does not depend on a second orchestration account.

What stays behind in Step Functions

Amazon States Language is not parsed into steps. Task tokens, activity ARNs, callback patterns, and the state machine role are not copied into resources.workflows.

You write each step. A human step is a title and, when you need them, the fields a reviewer may edit. It is not a Task state with a resource ARN brought across from an exported definition.

stack.json — Replacing AWS Step Functions plan · deploy

{
  "resources": {
    "workflows": [{
      "name": "review",
      "steps": [{ "id": "approve", "human": { "title": "Approve" } }]
    }]
  }
}

AWS Step Functions vs KERNSTACK on European Bare Metal

Dimension	AWS Step Functions	KERNSTACK Workflows
Operator	AWS account	KERNSTACK project
Manifest	AWS Step Functions console or API	resources.workflows
Region	AWS region list	European bare metal
Bill	AWS Step Functions line item	One project credit balance

FAQ

Frequently asked questions

Does KERNSTACK import a Step Functions state machine?

No. You write resources.workflows and its steps. Amazon States Language, task tokens, and activity ARNs are not copied.

How does a person pause a run?

A step with human.title waits until that person accepts. The same run then continues.

What can a step call?

A function or a worker in the same project, or an AI step. The target is a name you declare, not an AWS resource ARN.

Connected in the Project Graph

Related capabilities, architectures, and comparisons

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