Case Study Showcase

Local Network File Sharing Application

Effortless cross-device sharing with a glassmorphism LAN drive

React 18ViteNode.jsExpressMulterTailwind CSSSocket.ioJWT
DeploymentCloudinary + CDN
AccessPublic
Codebase248 KB
Stack8 Technologies
The Challenge & Bottleneck

Core Problem Statement

"Transferring files between local devices often requires slow cloud services or manual USB drives. I needed a bandwidth-independent, high-speed local solution."

Engineered Solution

Architectural Implementation

Client-Server architecture with a React SPA frontend and an Express REST API. Utilizes Multer for handling multipart file uploads directly to the host machine's filesystem.

Engineering Deep Dive

Detailed review of tradeoffs, database models, scaling strategies, and microservices

Structural Trade-offs & Decisions

Couples storage to the local filesystem for extreme speed but requires a shared volume for horizontal scaling. Focused strictly on local network accessibility.

Context & Constraints

  • LAN-based productivity and cross-device management.
  • Bandwidth-independent file sharing for large assets.
  • Lightweight, server-side local storage without external DB.

Database Modeling & Storage Strategy

Filesystem-as-a-Database: Relies on Node.js "fs" module and Multer storage for lightweight, zero-dependency file management.

Scaling Plan & Performance Roadmap

Integration with local NAS or S3-compatible MinIO for enterprise-scale LANs, with Nginx for load balancing across multi-node local instances.

System Subservices & Workers

Local File Upload Engine
Network Asset Retrieval
LAN Discovery & Identity
Real-time Progress Hub
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