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python-fastapi-feature-modular

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Pragmatic feature-first FastAPI backend design.

Software Engineering#fastapi#python#feature-first#backend-architecture#modular-design#vertical-slicing
Authoriinoshirozheng
Version1.0.0
Installs0

System Documentation

What problem does it solve?

This architecture pattern provides a pragmatic approach to building Python/FastAPI backends by focusing on features and vertical slices instead of enforcing heavy Hexagonal/DDD layers.

Core Features & Use Cases

  • Feature-centric boundaries: Group code by business capability (feature) rather than by artifact type.
  • Pragmatic dependencies: Use a single, centralized clients layer for external services without port/adapters boilerplate.
  • Pythonic simplicity: Leverage Python's duck-typing and straightforward project structure for maintainability.
  • Use Case: When refactoring a monolithic API into modular features, this pattern helps teams iterate quickly with clear ownership.

Quick Start

Create a new feature slice under app/features, implement its service logic, and wire it into FastAPI routing.

Dependency Matrix

Required Modules

None required

Components

Standard package

💻 Claude Code Installation

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Please help me install this Skill:
Name: python-fastapi-feature-modular
Download link: https://github.com/iinoshirozheng/SinoCloudChat/archive/main.zip#python-fastapi-feature-modular

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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