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Production FastAPI layered architecture v1.0.0

Use this resource to design a production FastAPI service in layers: routers, services and repositories

New

  • 536 downloads
  • 126 likes
  • 215 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install fastapi-layered-architecture-rule

First time: connect the CLI with

npx --yes palatekit@latest login

Cursor keeps the router, service, repository and ORM or HTTP layers separate: handlers of ten lines or fewer, authentication dependencies on protected routes, response_model on every endpoint, business logic in services, and no imports that go back up to routers.

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Updated November 2, 2026

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Details

Works in
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Licence
CC0-1.0

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What you get

  • The .mdc file (in English): layer, import and route rules for FastAPI
  • Good and bad router examples, including an idempotent charge endpoint

Good fit for

  • A payment or wallet API where writes must be protected
  • A team whose business logic currently lives in the routers

Not for

    Tags

    • fastapi
    • python
    • architecture
    • idempotency

    About

    You say

    “Move the billing logic out of the router into a service, with an idempotency key.”

    Card for “Production FastAPI layered architecture”

    Rule published by PatrickJS under the CC0-1.0 license, delivered in its original version.

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    How to use it

    1. Copy the .mdc file into your project's .cursor/rules/ folder
    2. Ask Cursor to design a production FastAPI service in layers: routers, services and repositories
    3. Adjust the rule to your conventions

    Content preview

    Files

    • fastapi-layered-architecture-rule.mdc8.3 KB
    • LICENSE6.5 KB
    • NOTICE-PALATEKIT.md0.6 KB

    Origin and licence

    Listed unmodified

    Author
    PatrickJS
    Source
    github.com/PatrickJS/awesome-cursorrules/blob/b044f956f021b6e8877f16781bcfc466a6a120e9/rules/fastapi-production-architecture-cursorrules-prompt-file.mdc
    Licence
    CC0-1.0

    Notice

    « fastapi-production-architecture-cursorrules-prompt-file » (PatrickJS, CC0-1.0) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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