Ash Framework · Basics Contents Cheatsheet
A BookBank Field Guide

The Ash
Framework

Model your domain once. Derive the APIs, the database, the auth, and the admin — from the same source of truth.

A gentle, high-level tour of Elixir's declarative application framework — the big ideas, not every detail.

Grounded in Ash v3.29 · official docs

Narrated by The Clear Mentor — a patient senior engineer, example-first.

Contents

  1. 01What Is Ash?“Model your domain, derive the rest.”
  2. 02ResourcesYour single source of truth.
  3. 03ActionsWhat your domain can actually do.
  4. 04Domains & Code InterfacesGrouping resources; calling them cleanly.
  5. 05Relationships & Derived DataConnect records; compute the rest.
  6. 06Data LayersWhere the data actually lives.
  7. 07Authorization & PoliciesWho may do what — declared, not scattered.
  8. 08The EcosystemExtensions that derive the rest — and how to start.
  9. ★CheatsheetThe 30-second reference card.

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