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FastAPI Base Project Template [War-End]

2 min readApr 3, 2025

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Overview

When building a new service, the main problem we face is to decide what will be the architecture of the project. You gotta help here!!!

This is a standardized structure for building modular, scalable, and maintainable FastAPI-based services. This template ensures uniformity across projects, making it easier for teams to collaborate, extend, and maintain services efficiently.

Design Pattern

This template follows the Service Layer Pattern within Modular Monolithic architecture, which separates business logic from API routes. This ensures:

  • Loose Coupling: API routes only handle request validation and response formatting, while business logic resides in the services/ layer.
  • Scalability: Code remains modular, allowing independent scaling of different components.
  • Reusability: Services can be reused across multiple endpoints without duplication.
  • Testability: Business logic is isolated, making it easier to test.

Benefits of Using This Template

  • Clear Separation of

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Mohd Mujtaba
Mohd Mujtaba

Written by Mohd Mujtaba

SDE-2 @ Wealthy.in | Built systems from scratch | Exploring new Technology

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