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FastAPI OCR Microservice_Image

FastAPI OCR Microservice

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About the project.

FastAPI OCR Microservice_Mockup_Image

A production-grade, high-performance microservice designed for extracting text from images using Tesseract OCR. Built with FastAPI and React, this service offers a robust, stateless architecture with strict resource safety, non-blocking execution, and modern observability via structured JSON logging.

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Features

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Non-Blocking OCR

Tesseract execution is offloaded to a thread pool to keep the event loop responsive.

Resource Hardening

Implements 10MB content limits and 30s hard timeouts for CPU-intensive OCR tasks.

Production Observability

Includes structured JSON logging and built-in health/readiness probes for orchestration.

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Features

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Tech Stack

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FastAPI FastAPI

Modern, high-performance web framework for building APIs with Python.

React React

JavaScript library for building user interfaces with reusable components.

Python Python

A high-level, general-purpose programming language.

Docker Docker

Platform for developing, shipping, and running applications in containers.

Tesseract OCR Tesseract OCR

Open-source optical character recognition engine for text extraction.

Pydantic Pydantic

Data validation and settings management using Python type hints.

Tailwind CSS Tailwind CSS

A utility-first CSS framework providing pre-designed, atomic-level utility classes for rapid UI development with minimal CSS code.

Vite Vite

Modern build tooling for web development with rapid startup and hot module replacement.

Nginx Nginx

High-performance web server, reverse proxy, and load balancer.