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CodeSignal

Exposing Your Code Translator with FastAPI

via CodeSignal

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Overview

This course teaches you how to expose your Haystack-powered code translation pipeline as a web service using FastAPI. You'll build a clean, maintainable API backend that makes your translation service accessible to other applications.

Syllabus

  • Unit 1: Introduction to REST APIs and FastAPI
    • Debugging Your First FastAPI Endpoint
    • Handling JSON Data in FastAPI
    • FastAPI App Setup and Metadata
    • Implement the FastAPI Echo Endpoint
    • Launching Your FastAPI App
    • Build a Complete FastAPI Application
  • Unit 2: Designing a Maintainable Backend Architecture with FastAPI
    • Connecting Endpoints to Controllers
    • Building a Simple Echo Controller
    • Debugging the Service Layer
    • Adding a Status Endpoint
    • Build a Layered FastAPI Backend
  • Unit 3: Integrating and Serving the Haystack Pipeline
    • Make Error Messages More Helpful
    • Counting Supported Languages in Your API
    • Mastering API Error Responses
    • Handling Invalid JSON in API Requests
    • Build the Main Translation Endpoint
  • Unit 4: Integrating Request Validation and Logging
    • Validating Input for Code Translation
    • Designing the Translation Response Model
    • Logging Every Request and Response
    • Build a Custom Logging Middleware
    • Build a Complete Code Translator API

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