Windmill

Script and flow engine whose entire state and job queue live in PostgreSQL.

Provider: default
Kind: Workflow engine
Category: Compute
Official docs: https://www.windmill.dev/docs/advanced/self_host

Properties · 4 set by this component

property	type	values	required	kind default	this component
compensation	boolean	—	no	false	▸ false
deployment · component property	enum	self-hosted \| cloud	no	self-hosted	inherited
durable	boolean	—	no	true	▸ true
humanReview	boolean	—	no	false	inherited
managed	boolean	—	no	false	▸ false
pattern	enum	saga \| tcc \| two-phase-commit \| dag	no	dag	▸ dag
stateStore · component property	string	—	no	postgres	inherited
stepsIdempotent	boolean	—	no	false	inherited

Rules that apply · 1

Every rule whose selector covers this component's kind or its category. Whether a rule fires depends on the design: its properties, its edges and its groups.

Stateful node without zone redundancyerror

stateful-node-without-zone-redundancy

A stateful compute node pinned to exactly one availability zone disappears with that zone, and its state goes with it. Nodes inside a cell are exempt, because there the cell is deliberately single-zone and redundancy comes from the other cells.

— all of these hold:
— the node's `stateless` is false
— the node sits inside exactly 1 availability-zone group
— this does not hold:
— the node sits inside at least one cell group

Use it in a design

nodes:
  - { id: "windmill", component: "windmill" }

Other Workflow engine products · 44

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and 4 more → Workflow engine page

Source

1# yaml-language-server: $schema=../../schema/component.schema.json
2# Windmill: scripts and flows executed by a worker fleet. A PostgreSQL database holds the entire state
3# of Windmill including the job queue, and every other component is stateless ("Self-host Windmill").
4# Cloud and self-hosted deployments run the same engine.
5schemaVersion: "1"
6type: "component"
7id: "windmill"
8kind: "workflow-engine"
9provider: "default"
10docs: "https://www.windmill.dev/docs/advanced/self_host"
11defaults:
12  durable: true
13  pattern: "dag"
14  compensation: false
15  managed: false
16properties:
17  stateStore:
18    type: "string"
19    default: "postgres"
20  deployment:
21    type: "enum"
22    values: ["self-hosted", "cloud"]
23    default: "self-hosted"

The same page as markdown, for an agent: /catalogue/components/windmill.md