> For the complete documentation index, see [llms.txt](https://docs.rierino.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.rierino.com/configuration/configuration-overview.md).
# Configuration Overview
## **What the Configuration app does**
The Configuration app is where you define reusable “logic as data”. Instead of hardcoding queries, rules, or script-based handlers into a service, you store them as managed records and let runners and sagas load them at runtime. This keeps behavior easier to audit, migrate, and adjust across environments.
Configuration App
## **Core Configuration capability areas**
Configuration capabilities fall into three main areas:
* **Queries:** Define portable, parameterized queries that can be executed from handlers and sagas.
* **Business Rules:** Store and manage rulesets as configuration, so decision logic can evolve without service redeploys.
* **Dynamic Handlers:** Add or customize handler logic during runtime, typically for rapid iteration and controlled extensions.
## **How Configuration components work together**
In practice, these show up inside API flows and microservices. A saga step might execute a stored query, evaluate a ruleset, or run a dynamic handler action, while the runner enforces what systems and state managers are allowed. That separation gives you fast iteration without losing control over access, deployment, or operational safety.
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