I built a self-hosted notes app on a single Node.js file — no cloud, my own hardware

说明与用途

作者构建了一个完全自托管的笔记应用，运行在单个 Node.js 文件上，支持本地加密备份，并通过 Tailscale 实现手机访问。

问题

The author wanted a notes app that kept all data on personal hardware, was accessible from a phone anywhere, and provided real backups they control.

结果

The author achieved a fully self‑hosted notes application with markdown support, media attachments, full‑text search, encrypted backups, and local mirroring, all running on a single laptop for about $2/month in electricity.

工作流

• Clone the repository
• Run npm install
• Run npm start
• Access the app from a phone via Tailscale

证据

I got tired of my notes living in someone else's cloud, so I built my own.

来源

A single-file Node.js server using the built-in node:sqlite — zero native dependencies, zero external services.

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It lives on an old laptop at home. The laptop lid stays closed, it auto‑starts on boot via a watchdog script, and I reach it from my phone over Tailscale.

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Total cost: $0 in services. No subscription, no VPS, no Docker.

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