Building a Lightweight Open‑Source File Storage System: Architecture & Tech Stack
This article outlines the design, deployment architecture, technology stack, and core features of a lightweight, open‑source file storage system built with modern front‑end and micro‑service back‑end technologies, offering file management, sharing, and distributed storage capabilities.
Introduction
Finding a good, feature‑complete, open‑source file storage system on Gitee or GitHub is difficult, so a lightweight, easy‑to‑use solution was developed using a front‑end/back‑end separation and micro‑service architecture, suitable for learners without project experience.
Deployment Architecture
Technology Stack
Front‑end
Vue.js + ElementUI as the base framework
WebUploader.js for chunked uploads
Back‑end
Maven + SpringBoot + SpringDataJPA as the core framework
Dubbo + Zookeeper for service governance
Nacos as configuration center
Redis for distributed cache and expiration listening
Zookeeper for distributed locks
WebSocket + Netty for message push
Solr for full‑text search
FastDFS for distributed file storage
Idempotency implemented with Redis, token, and custom annotations
Feature Overview
File Storage System
Upload: chunked upload, instant upload, folder upload for large files
Download: chunked download, multi‑file merge and compression
File sharing: friend sharing, private link sharing, and transfer of shared files
Album management: create albums, online image preview
Recycle bin: restore or permanently delete files
Push notifications: sharing messages, expiration alerts, capacity updates
Distributed lock: Zookeeper‑based lock for data safety under high concurrency
Expiration listening: Redis‑based listeners for share expiration and delete events
Log collection: AOP‑based request logging with remote transmission; custom Dubbo filter generates trace ID File search: Solr full‑text search integration
File storage: FastDFS distributed storage integration
Miscellaneous: complex operations, move, preview, delete, rename, online creation/editing, version history, etc.
Office online editing: planned for future updates
H5 client version: expected update on April 25
C/S client version: planned for future updates
Business system API client: completed
Image watermarking: planned for future updates
Image online cropping: planned for future updates
Back‑end Management System
Component management: handles file preview and editing components
Type management: manages file formats, icons, preview and editing components
Log management: stores and displays operation logs, correlatable via
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